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 D r C r d F Type NA49d9mm Type NKIRd9mm Type NA49Rd10mm Type NA59 Type NA69R Type NKIRd10mm d 517mm 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 13 10 0.15 7 2 670 2 350 272 239 23 000 34 000 NA495T2 5 15 12 0.3 8 1.5 4 000 4 100 410 420 21 000 32 000 NK8/12T2IR5812 15 16 0.3 8 2 4 850 5 200 495 535 21 000 32 000 NK8/16T2IR5816 15 10 0.15 8 3 150 3 000 320 305 21 000 32 000 NA496 6 16 12 0.3 9 1.5 4 550 5 000 465 510 20 000 30 000 NK9/12T2IR6912 16 16 0.3 9 2 5 500 6 400 560 650 20 000 30 000 NK9/16T2IR6916 17 10 0.15 9 3 600 3 650 365 375 20 000 30 000 NA497 7 17 12 0.3 10 1.5 4 550 5 100 460 520 19 000 28 000 NK10/12T2IR71012 17 16 0.3 10 2 5 450 6 450 555 660 19 000 28 000 NK10/16IR71016 8 19 11 0.15 10 4 300 3 950 435 405 19 000 28 000 NA498 19 12 0.3 12 1.5 5 000 6 100 510 620 17 000 26 000 NK12/12IR91212 9 19 16 0.3 12 2 6 000 7 700 615 785 17 000 26 000 NK12/16IR91216 20 11 0.3 12 4 850 4 900 495 500 17 000 26 000 NA499 22 13 0.3 14 0.5 8 600 9 200 875 935 16 000 24 000 NA4900R 10 22 16 0.3 14 0.5 10 300 11 500 1 050 1 170 16 000 24 000 NK14/16RIR101416 22 20 0.3 14 0.5 13 000 15 600 1 330 1 590 16 000 24 000 NK14/20RIR101420 12 24 13 0.3 16 0.5 9 550 10 900 975 1 110 15 000 23 000 NA4901R 24 16 0.3 16 0.5 12 200 14 900 1 240 1 520 15 000 23 000 NK16/16RIR121616 24 20 0.3 16 0.5 14 600 18 800 1 490 1 920 15 000 23 000 NK16/20RIR121620 24 22 0.3 16 1 15 400 20 000 1 570 2 040 15 000 23 000 NA6901R 27 16 0.3 19 0.5 13 300 17 400 1 350 1 780 14 000 21 000 NK19/16RIR151916 27 20 0.3 19 0.5 16 000 22 200 1 630 2 260 14 000 21 000 NK19/20RIR151920 15 28 13 0.3 20 0.5 10 300 12 800 1 050 1 310 13 000 20 000 NA4902R 28 18 0.3 20 0.5 14 100 19 100 1 440 1 950 13 000 20 000 NA5902 28 23 0.3 20 1 17 600 25 300 1 790 2 580 13 000 20 000 NA6902R 17 29 16 0.3 21 0.5 13 700 18 700 1 400 1 910 13 000 19 000 NK21/16RIR172116 29 20 0.3 21 0.5 18 300 27 100 1 860 2 760 13 000 19 000 NK21/20RIR172120 30 13 0.3 22 0.5 11 200 14 600 1 140 1 490 12 000 18 000 NA4903R 30 18 0.3 22 0.5 15 200 21 700 1 550 2 210 12 000 18 000 NA5903 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-66
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.) 6.2 8.5 0.15 0.007 7 9.5 0.3 0.012 7 9.5 0.3 0.016 8 9.5 0.15 0.009 8 10.5 0.3 0.013 8 10.5 0.3 0.017 9 10.5 0.15 0.010 9 11.5 0.3 0.014 9 11.5 0.3 0.018 10 12 0.15 0.016 11 13.5 0.3 0.018 11 13.5 0.3 0.022 11 14 0.3 0.017 12 20 0.3 0.024 12 20 0.3 0.030 12 20 0.3 0.038 14 22 0.3 0.026 14 22 0.3 0.033 14 22 0.3 0.042 14 22 0.3 0.046 17 25 0.3 0.039 17 25 0.3 0.045 17 26 0.3 0.036 17 26 0.3 0.052 17 26 0.3 0.064 19 27 0.3 0.042 19 27 0.3 0.053 19 28 0.3 0.037 19 28 0.3 0.056 B-67
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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 77 and 78: Needle roller and cage assemblies N
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
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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 127: Machined-ring needle roller bearing
Page 159 and 160: Machined Ring Needle Roller Bearing
Page 177 and 178: Inner Rings
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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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