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 dF s Type NA49R Type NA59 Type NA69R d30mm Type NKIR d 1732mm 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 17 30 23 0.3 22 1 18 200 27 200 1 850 2 770 12 000 18 000 NA6903R 32 16 0.3 24 0.5 15 200 22 300 1 550 2 280 11 000 17 000 NK24/16RIR202416 32 20 0.3 24 0.5 18 600 28 800 1 890 2 930 11 000 17 000 NK24/20RIR202420 20 37 17 0.3 25 0.8 21 300 25 500 2 170 2 600 11 000 16 000 NA4904R 37 23 0.3 25 0.8 28 400 37 000 2 900 3 750 11 000 16 000 NA5904 37 30 0.3 25 1 36 500 50 500 3 700 5 150 11 000 16 000 NA6904R 34 16 0.3 26 0.5 15 600 23 600 1 590 2 410 10 000 15 000 NK26/16RIR222616 34 20 0.3 26 0.5 19 100 30 500 1 940 3 100 10 000 15 000 NK26/20RIR222620 22 39 17 0.3 28 0.8 23 200 29 300 2 360 2 990 9 500 14 000 NA49/22R 39 23 0.3 28 0.8 26 400 37 500 2 690 3 850 9 500 14 000 NA59/22 39 30 0.3 28 0.5 40 000 58 500 4 050 6 000 9 500 14 000 NA69/22R 38 20 0.3 29 1 22 200 34 000 2 270 3 450 9 500 14 000 NK29/20RIR252920 38 30 0.3 29 1.5 27 500 50 500 2 810 5 150 9 500 14 000 NK29/30RIR252930 25 42 17 0.3 30 0.8 24 000 31 500 2 450 3 200 8 500 13 000 NA4905R 42 23 0.3 30 0.8 30 500 43 000 3 150 4 350 8 500 13 000 NA5905 42 30 0.3 30 1 41 500 63 000 4 200 6 400 8 500 13 000 NA6905R 42 20 0.3 32 1 23 500 37 500 2 400 3 850 8 500 13 000 NK32/20RIR283220 42 30 0.3 32 1.5 34 000 60 500 3 450 6 150 8 500 13 000 NK32/30RIR283230 28 45 17 0.3 32 0.8 24 800 33 500 2 530 3 400 8 500 13 000 NA49/28R 45 23 0.3 32 0.8 32 000 45 500 3 250 4 650 8 500 13 000 NA59/28 45 30 0.3 32 1 43 000 67 000 4 350 6 850 8 500 13 000 NA69/28R 45 20 0.3 35 0.5 24 800 41 500 2 520 4 250 7 500 11 000 NK35/20RIR303520 45 30 0.3 35 1 36 000 66 500 3 650 6 800 7 500 11 000 NK35/30RIR303530 30 47 17 0.3 35 0.8 25 500 35 500 2 600 3 600 7 500 11 000 NA4906R 47 23 0.3 35 0.8 32 500 48 500 3 350 4 950 7 500 11 000 NA5906 47 30 0.3 35 1 42 500 67 500 4 300 6 900 7 500 11 000 NA6906R 47 20 0.3 37 0.5 25 300 43 500 2 580 4 400 7 500 11 000 NK37/20RIR323720 32 47 30 0.3 37 1 36 500 69 500 3 750 7 100 7 500 11 000 NK37/30RIR323730 52 20 0.6 40 0.8 31 500 47 500 3 200 4 850 6 500 10 000 NA49/32R 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-68
Machined-ring needle roller bearings NTN ra ra Da da Abutment Mass dimensions mm kg da Da ras min max max (approx.) 19 28 0.3 0.069 22 30 0.3 0.049 22 30 0.3 0.061 22 35 0.3 0.074 22 35 0.3 0.115 22 35 0.3 0.141 24 32 0.3 0.046 24 32 0.3 0.064 24 37 0.3 0.080 24 37 0.3 0.134 24 37 0.3 0.154 27 36 0.3 0.079 27 36 0.3 0.123 27 40 0.3 0.088 27 40 0.3 0.139 27 40 0.3 0.162 30 40 0.3 0.096 30 40 0.3 0.146 30 43 0.3 0.098 30 43 0.3 0.142 30 43 0.3 0.179 32 43 0.3 0.112 32 43 0.3 0.171 32 45 0.3 0.101 32 45 0.3 0.152 32 45 0.3 0.185 34 45 0.3 0.117 34 45 0.3 0.170 36 48 0.6 0.157 B-69
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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 79 and 80: Needle roller and cage assemblies N
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 129: 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
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Inner rings NTN d 1520mm 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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