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COMMERCIAL BALL SPLINE part number structure example SSPF 25 C - 2 - 436 / CU nut shape SSP cylindrical type SSPF flange type SSPB block type nominal diameter with special specification spline shaft total length number of nuts attached to one shaft commercial spline shaft B-31 B major dimensions applicable nut nominal Ds standard length diameter L mm mm 20 25 30 40 50 18.2 23 28 37.4 47 500 500 500 500 500 1,000 1,000 1,000 1,000 1,000 2,000 2,000 2,000 2,000 2,000 3,000 3,000 3,000 3,000 3,000 tolerance of total length and length of splined portion yes no total length less than 4000: JIS B0405 coarse grade total length greater than 4,000: +/- 5.0mm Please specify for tolerances other than those above. Refer to dimensional tables for nut shape and dimensions When a commercial shaft is used, the rated load for the nut is about 70% that indicated in the dimensional tables. 4,000 4,000 4,000 4,000 4,000 5,000 5,000 5,000 5,000 5,000 P S S M P S S F P S S T P S S A P S W - A P S P S S SLIDE GUIDE BALL SPLINE ROTARY BALL SPLINE STROKE BALL SPLINE TOPBALL PRODUCTS SLIDE BUSH SLIDE UNIT STROKE BUSH SLIDEROTARYBUSH SLIDE SHAFT SLIDE WAY/GONIO WAY SLIDE TABLE MINIATURE SLIDE ACTUATOR SLIDE SCREW
The NB rotary ball spline can be used for both rotational motion and linear motion. It can be used in SCARA robots, the vertical shaft of assembly equipment, and tool changers and loaders. STRUCTURE AND ADVANTAGES The NB rotary ball spline consists of a spline shaft and a nut. The nut has a spline portion and a rotating portion using cross rollers. Reduced Number of Parts: Because of the single-body construction consisting of the rotating portion and the spline portion, the number of parts is reduced so that the accumulated error is reduced as well. Compact and Light: The cross rollers are directly attached to the ball spline's external cylinder, resulting in a compact and light design. Figure B-20 Structure of NB Rotary Ball Spline seal installation flange side-seal spline shaft ball elements B-32 Substantial Reduction in Installation Cost: The use of cross roller elements keeps the housing thickness to a minimum, making the ball spline light and easy to install. High Rigidity: The cross roller elements and 4-row ball circuit structure provides high rigidity in spite of the compact design. High Accuracy: The cross roller elements ensure accurate positioning in the rotational direction. retainer cross roller elements
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NB Products are available from MARY
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Eng- 112 Tech- 17 INDEX- 18
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SLIDE GUIDE SEBS-B/BY P.A-26 SEBS-B
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BALL SPLINE SSP/SSPS P.B-16 SSPM P.
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SLIDE BUSH GM P.D- 12 GW P.D-120 SM
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SLIDE BUSH (Flange Type) SMFC P.D-
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SLIDE UNIT SWA P.E-38 SWJ P.E-40 SW
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SLIDE SHAFT SN P.G-6 SNS P.G-7 SNT
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INDEX AK Slide Unit : Compact Block
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SA Slide Unit : Shaft Support Rail
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SMS-G Slide Bush : Standard Type, A
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SW Slide Bush (Inch Standard) : Sta
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A-1 SLIDE GUIDE BALL SPLINE ROTARY
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Table A-1 Types miniature type high
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RIGIDITY AND PRE-LOAD The rolling e
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MOUNTING A-7 Slide guides have a h
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A-9 Mounting: In general, a slide
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When reference surface is not provi
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Figure A-23 Examples of Joined Guid
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Bellows Option (Series: GL or SGL)
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A-17 Calulcation method of length
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Simplified lubrication management A
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A-21 The SEB(S) type slide guides
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RATED LOAD The load rating for SEB(
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MOUNTING BOLTS Extremely small cust
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H b MR 0 -0.1 B P1 W 0 -0.05 C 4-S
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H b W MR 0 -0.1 Refer to page A-2
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H 1 H1 mm 2 2.6 4 4.7 5.5 7.5 9.5 1
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H 1 A-33 L2(with side-seal) L1(with
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TYPES SER-type slide guides are ava
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Figure A-48 Shoulder Shape-2 r1 r1
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Refer to page A-35 for a descriptio
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Refer to page A-35 for a descriptio
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BLOCK TYPES A-43 Six different typ
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Clean Operation A-45 Ball cushions
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MOUNTING A-47 As shown in Figure A
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H 1 T1 mm 5 6 6.5 9 8.5 1,240 1,36
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H 1 1 Refer to page A-43 for a desc
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H 1 T1 mm 9 8 13.5 12 15.5 20 1,24
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T1 mm 5 6 6.5 9 H 1 8.5 1,240 1,360
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T1 mm 5 6 6.5 9 8.5 H 1 1,240 1,360
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H 1 T1 mm 5 8 9.5 9 8.5 10 T greas
Page 85 and 86: BLOCK TYPES A-61 Six different typ
Page 87 and 88: MOUNTING Slide guides are generally
Page 89 and 90: H 1 1 Refer to page A-61 for a desc
Page 91 and 92: H 1 H1 mm 13.5 16 20 24 27.5 1,120
Page 93 and 94: H 1 H1 mm 13.5 16 20 24 27.5 36.5
Page 95 and 96: H 1 H1 mm 13.5 16 20 24 27.5 1,120
Page 97 and 98: H 1 H1 mm 13.5 16 20 24 27.5 1,120
Page 99 and 100: H 1 H1 mm 13.5 16 20 24 27.5 36.5
Page 101 and 102: ACCURACY A-77 Three accuracy grade
Page 103 and 104: GREASE FITTING A-79 A grease fitti
Page 105 and 106: 6-S, D drill Refer to page A-77 fo
Page 107 and 108: The NB ball spline consists of a sp
Page 109 and 110: Table B-2 Types of Spline Nut type
Page 111 and 112: ACCURACY The NB ball spline is meas
Page 113 and 114: LIFE CALCULATION Because ball eleme
Page 115 and 116: Fit: A transition fit between an SS
Page 117 and 118: Mounting of SSPM Type Spline: Examp
Page 119 and 120: Mounting of SSPF Type Spline: Examp
Page 121 and 122: SSP TYPE Cylindrical Spline Nut p
Page 123 and 124: SSPM TYPE Keyless Spline Nut part
Page 125 and 126: SSPF TYPE Flange Type Nut part nu
Page 127 and 128: SSPT TYPE Two Side Cut Flange Type
Page 129 and 130: SPA TYPE Keyless Block Type part
Page 131 and 132: SPA-W TYPE Keyless Block Double Ty
Page 133 and 134: SSPB TYPE Block Type part number
Page 135: STANDARD BALL SPLINE part number st
Page 139 and 140: PRE-LOAD AND CLEARANCE IN ROTATIONA
Page 141 and 142: OPERATING ENVIRONMENT Certain opera
Page 143 and 144: SPR TYPE part number structure exam
Page 145 and 146: The NB stroke ball spine SPLFS type
Page 147 and 148: PRE-LOAD AND CLEARANCE IN ROTATIONA
Page 149 and 150: SPLFS TYPE - Two Side Cut Flange Ty
Page 151 and 152: C-1 SLIDE GUIDE BALL SPLINE ROTARY
Page 153 and 154: TOPBALL TOPBALL unit closed type op
Page 155 and 156: Load coefficient (fw): When calcula
Page 157 and 158: Shaft and Housing: To optimize NB T
Page 159 and 160: mm 22.0 22.9 24.9 31.5 44.1 52.1 60
Page 161 and 162: 120 inch .515 .703 1.032 1.112 1.2
Page 163 and 164: TKA-W TYPE Double-Wide Block Type
Page 165 and 166: TKE-W TYPE Double-Wide Open Block
Page 167 and 168: TKD-W TYPE Clearance Adjustable Do
Page 169 and 170: TWA-W TYPE Double-Wide Block Type
Page 171 and 172: TWJ-W TYPE Clearance Adjustable Do
Page 173 and 174: TWD-W TYPE Double-Wide Open Block
Page 175 and 176: The NB slide bush is a linear motio
Page 177 and 178: Table D-2 Types (2) standard type c
Page 179 and 180: SPECIFICATIONS Dimensional Series:
Page 181 and 182: Examples of Mounting methods are sh
Page 183 and 184: Notes on Installation: When inserti
Page 185 and 186: GM TYPE Single Type part number s
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GMF-W TYPE Round Flange Double-Wid
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GMK-W TYPE Square Flange Double-Wi
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GMT-W TYPE Two Side Cut Double-Wid
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GMF-W-E TYPE Round Flange Double-W
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GMK-W-E TYPE Square Flange Double-
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GMT-W-E TYPE Two Side Cut Double-W
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SM TYPE Standard Type This type i
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SM-AJ TYPE Clearance-Adjustable Ty
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SM-OP TYPE Open Type This type is
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SM-W TYPE Double-Wide Type This t
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SMF TYPE Round Flange Type This t
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SMK TYPE Square Flange Type This
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SMT TYPE Two Side Cut Flange Type
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SMF-E TYPE Round Flange Type with
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SMK-E TYPE Square Flange Type with
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SMT-E TYPE Two Side Cut Pilot End
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SMF-W TYPE Round Flange Double-Wid
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SMK-W TYPE Square Flange Double-Wi
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SMT-W TYPE Two Side Cut Double-Wid
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SMFC TYPE Center Mount Round Flang
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SMKC TYPE Center Mount Square Flan
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SMTC TYPE Two Side Cut Center Flan
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SMF-W-E TYPE Round Flange Double-W
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SMK-W-E TYPE Square Flange Double-
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SMT-W-E TYPE Two Side Cut Double-W
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TRF TYPE Triple-Wide Round Flange
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TRK TYPE Triple-Wide Square Flange
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TRFC TYPE Triple-Wide Intermediate
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TRKC TYPE Triple-Wide Intermediate
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TRF-E TYPE Triple-Wide Round Flang
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TRK-E TYPE Triple-Wide Square Flan
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KB TYPE Standard Type This type i
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KB-AJ TYPE Clearance Adjustable Ty
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KB-OP TYPE Open Type This type is
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KB-W TYPE Double-Wide Type This t
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KBF TYPE Round Flange Type This t
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KBK TYPE Square Flange Type This
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KBT TYPE Two Side Cut Flange Type
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KBF-W TYPE Round Flange Double-Wid
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KBK-W TYPE Square Flange Double-Wi
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KBFC TYPE Center Mount Round Flang
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KBKC TYPE Center Mount Square Flan
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SW TYPE Standard Type This type i
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SW-AJ TYPE Clearance Adjustable Ty
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SW-OP TYPE Open Type This type is
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SW-W TYPE Double-Wide Type This t
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SWF TYPE Round Flange Type This t
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SWK TYPE Square Flange Type This
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SWT TYPE Two Side Cut Flange Type
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SWF-W TYPE Round Flange Double-Wid
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SWK-W TYPE Square Flange Double-Wi
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SWFC TYPE Center Mount Round Flang
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SWKC TYPE Center Mount Square Flan
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GW TYPE Single Type part number s
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Table E-1 types A wide variety of
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Table E-3 metric series types shaht
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ACCURACY The accuracy of the SA typ
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SMA TYPE Block Type part number s
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SMA-W TYPE Double-Wide Block Type
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AK TYPE Compact Block Type part nu
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AK-W TYPE Double-Wide Compact Block
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SMB TYPE Block Type part number st
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SMP TYPE Pillow Block Type part n
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SMJ TYPE Clearance Adjustable Type
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SME TYPE Open Block Type part numb
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SME-W TYPE Double-wide Open Block T
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SMD TYPE Open Block with Clearance
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RB TYPE Resin Block Type part numb
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SH TYPE Shaft End Supporter (Cast
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E-32 part number structure example
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CE TYPE Non-Clearance Adjustable T
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CD TYPE Clearance Adjustable Type
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SWA TYPE Block Type (Inch Series)
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SWJ TYPE Clearance Adjustable Bloc
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SWD TYPE Open Block Type (Inch Se
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RBW TYPE Resin Block Type (Inch S
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WA TYPE Shaft Support Rail (Inch
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The NB stroke bush is a linear and
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F-4 SR TYPE SR 20 part number struc
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F-6 SR-B TYPE SR 20 part number str
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NB's Slide Rotary Series consists o
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Application Examples Application Ex
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SRE TYPE part number SRE
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SREK TYPE Square Flange type
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F-16 SLIDE ROTARY UNIT SMA-R TYPE B
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F-18 SLIDE ROTARY UNIT AK-R TYPE Co
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SLIDE ROTARY UNIT SMP-R TYPE Pillow
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NB's RK type slide rotary bush is a
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G-1 SLIDE GUIDE BALL SPLINE ROTARY
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SN/SNS/SNT Type (NB Shaft) P.G-6,7,
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The Geometrical moment of inertia (
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SNS TYPE NB Stainless Steel Shaft
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NB CENTER-LINED TAPPED SHAFT G-9 A
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SNWS TYPE NB Inch Stainless Steel
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SNWS-PD NB Inch Pre-Drilled Stainl
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MACHINING EXAMPLE NB can fabricate
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Shaft (spindle) Shaft (Quill) Pleas
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Please send drawing for quotation o
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NBs Slide Way NV and NVT types inco
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Figure H-5, Parallelism m 10 8 6 4
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MOUNTING NV TYPE Accuracy of mounti
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NV TYPE part number structure examp
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NVT TYPE part number structure exam
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The NB slide way is a non-recircula
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Example: Figure H-17 SV Type Slide
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SPECIAL BOLT (BT type) BT type spec
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SV TYPE SV1/SV2 part number struc
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SV TYPE SV12 part number structur
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SVW TYPE part number structure exam
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STROKE AND RATED LOAD When the stro
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The NB slide table is a precision t
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RATED LIFE The life of an NB slide
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H-34 SVT TYPE SVT1/SVT2 part numb
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SYT TYPE SYT1/SYT2 part number st
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SYT TYPE SYT3 part number structu
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SYT-D TYPE SYT1/SYT2 part number
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SYT-D TYPE SYT3 part number struc
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The NB miniature slide table SYBS t
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Mounting Shape of Mounting Surface
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SYBS TYPE part number structure exa
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Nippon Bearing's Gonio Way family h
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INSTALLATION Figure H-38. Installat
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2-AXES AND CUSTOM SPECIFICATIONS Wh
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RVF TYPE SVT6/SVT9 Part number co
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Suitable for Minute Motion: The fri
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MOUNTING Figure H-44 Example of Mou
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RV TYPE Gonio Way part number str
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CR TYPE (Standard Curved Roller Cag
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NB's BG type is a compact single ax
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PART NUMBER SYSTEM Part number for
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ALLOWABLE SPEED Allowable speed of
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INERTIA Inertia of the slide block
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ACCURACY Table I-7 shows accuracy o
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RATED LIFE To obtain the rated life
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A.1.c. PT for Vertical Move ) durin
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LUBRICATION BG type contains a lith
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BG20 Figures inside( ) indicates ma
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BG33 Exposed Bracket R0 34 4 14 1.
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RETURN PULLEY UNIT Return pulley un
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BG20 SENSOR Photo-sensor or proximi
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BG33 S Specification (Slim-Type Pho
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BG33 K Specification (Proximity Sen
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BG46 H Specification (Close Contact
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BG55 S Specification (Compact Photo
Page 487 and 488:
POSITIONING PIN HOLE For the BG typ
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BG46A,B For the two-block type, the
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BG20A,B -Without Top-Cover- 8 6 20
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BG26A,B -Without Top-Cover- 10 L1 5
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BG33C,D -Without Top-Cover- 8 6 33
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BG46C,D -Without Top-Cover- 13 9 73
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J-1 SLIDE GUIDE BALL SPLINE ROTARY
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SELECTION METHOD Required Thrust: T
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Sample Calculation: 1. Selecting a
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SS TYPE part number structure examp
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DEFINITIONS AND INDICATIONS OF GEOM
Page 515 and 516:
SQUARENESS Squareness assumes a com
Page 517 and 518:
shaft dimensional tolerance diamete
Page 519:
NB Products are available from MARY
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