Needle Roller Bearings - Ntn-snr.com

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Machined-ring needle roller bearings NTN With inner ring Type NA49 Type NA59 Type NA69 Type NKIR D r C r d F D r C r d F Type NA49R Type NA59 Type NKRIR Type NA69R d 3255mm Boundary dimensions Basic load ratings Limiting speeds Bearing numbers dynamic static dynamic static mm N kgf r/min grease oil d D C rs min 1) F s 2) Cr Cor Cr Cor 32 52 27 0.6 40 0.8 38 000 61 000 3 850 6 250 6 500 10 000 NA59/32 52 36 0.6 40 0.5 47 500 82 000 4 850 4 350 6 500 10 000 NA69/32R 50 20 0.3 40 0.5 26 400 47 000 2 700 4 800 6 500 10 000 NK40/20RIR354020 50 30 0.3 40 1 38 500 76 000 3 900 7 750 6 500 10 000 NK40/30RIR354030 35 55 20 0.6 42 0.8 32 000 50 000 3 300 5 100 6 500 9 500 NA4907R 55 27 0.6 42 0.8 39 000 64 500 3 950 6 550 6 500 9 500 NA5907 55 36 0.6 42 0.5 49 000 86 500 5 000 8 800 6 500 9 500 NA6907R 38 53 20 0.3 43 0.5 27 500 51 000 2 810 5 200 6 500 9 500 NK43/20RIR384320 53 30 0.3 43 1 40 000 82 000 4 100 8 400 6 500 9 500 NK43/30RIR384330 55 20 0.3 45 0.5 28 000 52 500 2 860 5 400 6 000 9 000 NK45/20RIR404520 55 30 0.3 45 1 41 000 85 500 4 150 8 700 6 000 9 000 NK45/30RIR404530 40 62 22 0.6 48 1 43 500 66 500 4 450 6 800 5 500 8 500 NA4908R 62 30 0.6 48 1 53 000 92 500 5 450 9 450 5 500 8 500 NA5908 62 40 0.6 48 0.5 67 000 116 000 6 850 11 800 5 500 8 500 NA6908R 42 57 20 0.3 47 0.5 28 800 55 500 2 940 5 650 5 500 8 500 NK47/20RIR424720 57 30 0.3 47 1 42 500 91 500 4 350 9 350 5 500 8 500 NK47/30RIR424730 62 25 0.6 50 1.5 38 500 74 500 3 950 7 550 5 500 8 000 NK50/25RIR455025 62 35 0.6 50 2 51 000 106 000 5 200 10 800 5 500 8 000 NK50/35RIR455035 45 68 22 0.6 52 1 46 000 73 000 4 700 7 450 5 000 7 500 NA4909R 68 30 0.6 52 1 56 000 101 000 5 700 10 300 5 000 7 500 NA5909 68 40 0.6 52 0.5 70 500 127 000 7 200 13 000 5 000 7 500 NA6909R 68 25 0.6 55 1.5 41 000 82 000 4 150 8 400 5 000 7 500 NK55/25RIR505525 68 35 0.6 55 2 54 000 118 000 5 500 12 000 5 000 7 500 NK55/35RIR505535 50 72 22 0.6 58 1 48 000 80 000 4 900 8 150 4 700 7 000 NA4910R 72 30 0.6 58 1 58 000 110 000 5 950 11 200 4 700 7 000 NA5910 72 40 0.6 58 0.5 74 000 139 000 7 500 14 200 4 700 7 000 NA6910R 72 25 0.6 60 1.5 41 000 85 000 4 200 8 700 4 300 6 500 NK60/25RIR556025 55 72 35 0.6 60 2 57 000 130 000 5 800 13 200 4 300 6 500 NK60/35RIR556035 80 25 1 63 1.5 58 500 99 500 6 000 10 100 4 300 6 500 NA4911R Note 1) Allowable minimum chamfer dimension r . 2) Allowable axial stroking value of inner ring against outer ring. Remarks: Nominal code number of inner ring (IR) <strong>com</strong>prises the codes of IR bore diameterouter diameterwidth. B-70
Machined-ring needle roller bearings NTN ra ra s ra ra Da da Da da Abutment Mass dimensions mm kg da Da ras min max max (approx.) 36 48 0.6 0.241 36 48 0.6 0.286 37 48 0.3 0.130 37 48 0.3 0.193 39 51 0.6 0.171 39 51 0.6 0.256 39 51 0.6 0.310 40 51 0.3 0.134 40 51 0.3 0.207 42 53 0.3 0.143 42 53 0.3 0.216 44 58 0.6 0.232 44 58 0.6 0.348 44 58 0.6 0.426 44 55 0.3 0.148 44 55 0.3 0.222 48 58 0.6 0.229 48 58 0.6 0.322 49 64 0.6 0.270 49 64 0.6 0.396 49 64 0.6 0.437 53 64 0.6 0.271 53 64 0.6 0.379 54 68 0.6 0.276 54 68 0.6 0.498 54 68 0.6 0.529 58 68 0.6 0.271 58 68 0.6 0.379 60 75 1 0.396 B-71
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For New Technology Network R corpor
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Technical Data A-001058 Needle roll
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Needle Roller Bearings
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DIMENSIONAL DATA CONTENTS Needle Ro
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Classification and Characteristics
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Load Rating and Life NTN Table 2.1
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Load Rating and Life NTN When the o
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Load Rating and Life NTN 2.10 Radia
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Calculation of Bearing Loads NTN (2
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Calculation of Bearing Loads NTN 3.
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Bearing Accuracy NTN 4. Bearing Acc
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A-27 Bearing Accuracy NTN 7 7 8 8 8
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Bearing Accuracy NTN Table 4.5 Allo
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Bearing Internal Clearance NTN 5.2.
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Bearing Fits NTN 6.4 Recommended Fi
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Bearing Fits NTN 6.5 Interference C
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Shaft Bearing and Fits Housing Desi
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Shaft Bearing and Fits Housing Desi
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Lubrication NTN Table 8.2 Grease va
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Lubrication NTN (4) Circulating lub
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Sealing Devices NTN 9. Sealing Devi
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Sealing Devices NTN 9.2 Combined se
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Bearing Handling NTN 10. Bearing Ha
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Bearing Handling NTN the bearing fi
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Technical Data NTN 11.2 Bearings wi
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Technical Data NTN expressed in the
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Bearing Type Symbols and Auxiliary
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Needle roller and cage assemblies B
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Needle Roller and Cage Assemblies
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Needle roller and cage assemblies N
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Page 81 and 82: Cage and roller type needle roller
Page 83 and 84: Needle Roller and Cage Assemblies f
Page 85 and 86: Needle roller and cage assemblies f
Page 91 and 92: Drawn Cup Needle Roller Bearings
Page 93 and 94: Drawn cup needle roller bearings NT
Page 107 and 108: Drawn cup needle roller bearings se
Page 109 and 110: Drawn cup needle roller bearings se
Page 115 and 116: Machined Ring Needle Roller Bearing
Page 117 and 118: Machined ring needle roller bearing
Page 121 and 122: Machined-ring needle roller bearing
Page 131: Machined-ring needle roller bearing
Page 159 and 160: Machined Ring Needle Roller Bearing
Page 177 and 178: Inner Rings
Page 179 and 180: Inner rings NTN Type IR d 510mm Bou
Page 181 and 182: Inner rings NTN d 1520mm Boundary d
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Inner rings NTN d 2835mm Boundary d
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Inner rings NTN d 4555mm Boundary d
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Inner rings NTN d 80100mm Boundary
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Inner rings NTN d 170380mm Boundary
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Inner rings NTN Inch series Type MI
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Inner rings NTN d 101.600203.200mm
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Adjustable-Clearance Needle Roller
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Clearance-adjustable needle roller
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Clearance-adjustable needle roller
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Complex Bearings
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Complex bearings NTN Bearing compon
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Complex bearings NTN B-143
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Needle roller bearings with thrust
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Needle roller bearings with angular
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Needle roller bearings with three-p
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Needle roller bearings with double-
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Needle roller bearings with double-
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Roller Followers / Cam Followers
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Roller followers: Yoke-type track r
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Roller followers : Yoke type truck
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Cam followers stud type truck rolle
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Thrust Roller Bearings
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Thrust roller bearings NTN Bearing
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Thrust roller bearings NTN B-209
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Thrust needle roller bearings NTN B
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Thrust needle roller bearings NTN B
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Thrust cylindrical roller bearing N
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COMPONENTS Needle Rollers/Snap Ring
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Needle rollers NTN Application of n
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Needle rollers NTN DW 4.55mm Bounda
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Snap rings NTN For shaft Type WR Be
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Snap rings NTN For housing Type BR
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Snap rings NTN Bearing numbers Boun
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Seals NTN Type G Type GD Type G Typ
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LINEAR BALL BEARINGS: Solid, Drawn
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Linear Ball Bearings NTN Components
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Linear Ball Bearings NTN Components
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Solid type linear ball bearings NTN
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Machined cup linear ball bearings N
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Linear ball bearings, stroke type N
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Machined ring linear ball bearings
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Linear flat rollers NTN Stopper Fig
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Linear flat rollers NTN Type BF Typ
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Linear roller bearings NTN Type RLM
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One-way Clutches Tension Pulleys, B
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One-way clutches NTN Shaft and hous
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One-way clutch miniature type NTN T
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Bottom roller bearings NTN Type FRI
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Bottom roller bearings NTN Type FRI
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Tensioner pulleys for textile machi
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Contents of Appendix Approximate co
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Appendix NTN ˚C-˚F temperature co
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C-5 Appendix NTN Standard ball Hult
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Appendix NTN Unit system Quantity P
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Appendix NTN Viscosity conversion t
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Appendix NTN Ordinary tolerance for
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Appendix NTN High Low Hig
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Appendix NTN H7 H8 H9 H10 H11 H13 J
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