Needle Roller Bearings - Ntn-snr.com

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Machined-ring needle roller bearings NTN With inner ring Type NA48 Type NA49 Type NA59 Type NKIR r C r s D dF d 130280mm 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 130 180 67 1.5 150 1.5 294 000 685 000 30 000 70 000 1 800 2 700 NA5926 175 35 1.1 155 1 121 000 315 000 12 300 32 500 1 700 2 600 NA4828 180 32 1.5 155 114 000 252 000 11 600 25 700 1 700 2 600 NK155/32IR14015532 140 180 42 1.5 155 156 000 380 000 16 000 38 500 1 700 2 600 NK155/42IR14015542 190 50 1.5 160 1.5 209 000 485 000 21 300 49 500 1 700 2 500 NA4928 190 67 1.5 160 1.5 310 000 755 000 31 500 77 000 1 700 2 500 NA5928 150 190 32 1.5 165 117 000 265 000 11 900 27 000 1 600 2 400 NK165/32IR15016532 190 40 1.1 165 1.5 152 000 390 000 15 500 40 000 1 600 2 400 NA4830 190 42 1.5 165 160 000 400 000 16 300 40 500 1 600 2 400 NK165/42IR15016542 210 60 2 170 1.5 261 000 610 000 26 600 62 500 1 600 2 400 NA4930 160 170 180 190 200 220 240 260 280 200 40 1.1 175 1.5 160 000 425 000 16 300 43 500 1 500 2 300 NA4832 220 60 2 180 1.5 270 000 650 000 27 600 66 500 1 500 2 200 NA4932 215 45 1.1 185 1.5 185 000 495 000 18 800 50 500 1 500 2 200 NA4834 230 60 2 190 1.5 279 000 690 000 28 500 70 500 1 400 2 100 NA4934 225 45 1.1 195 1.5 195 000 540 000 19 800 55 000 1 400 2 100 NA4836 250 69 2 205 1.5 375 000 890 000 38 500 90 500 1 300 2 000 NA4936 240 50 1.5 210 1.5 227 000 680 000 23 200 69 000 1 300 1 900 NA4838 260 69 2 215 1.5 390 000 945 000 40 000 96 500 1 300 1 900 NA4938 250 50 1.5 220 1.5 231 000 705 000 23 600 71 500 1 200 1 800 NA4840 280 80 2.1 225 1.5 505 000 1 180 000 51 500 120 000 1 200 1 800 NA4940 270 50 1.5 240 1.5 244 000 780 000 24 900 79 500 1 100 1 700 NA4844 300 80 2.1 245 1.5 525 000 1 270 000 53 500 129 000 1 100 1 600 NA4944 300 60 2 265 2 360 000 1 080 000 37 000 110 000 1 000 1 500 NA4848 320 80 2.1 265 2 540 000 1 350 000 55 000 138 000 1 000 1 500 NA4948 320 60 2 285 2 375 000 1 160 000 38 000 119 000 950 1 400 NA4852 360 100 2.1 290 2 805 000 1 900 000 82 000 193 000 950 1 400 NA4952 350 69 2 305 2.5 455 000 1 300 000 46 500 133 000 850 1 300 NA4856 380 100 2.1 310 2.5 835 000 2 030 000 85 000 207 000 850 1 300 NA4956 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-76
Machined-ring needle roller bearings NTN ra ra Da da Abutment Mass dimensions mm kg da Da ras min max max (approx.) 138 172 1.5 5.60 146.5 168.5 1 1.82 148 172 1.5 2.04 148 172 1.5 2.69 148 182 1.5 4.05 148 182 1.5 6.18 158 182 1.5 2.32 156.5 183.5 1 2.72 158 182 1.5 2.84 159 201 2 5.33 166.5 193.5 1 2.90 169 211 2 5.60 176.5 208.5 1 3.99 179 221 2 5.87 186.5 218.5 1 4.19 189 241 2 8.58 198 232 1.5 5.62 199 251 2 8.68 208 242 1.5 5.84 211 269 2 12.2 228 262 1.5 6.37 231 289 2 13.5 249 291 2 10.0 251 309 2 14.7 269 311 2 10.8 271 349 2 25.9 289 341 2 15.5 291 369 2 27.5 B-77
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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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Cage and roller type needle roller
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Needle Roller and Cage Assemblies f
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Needle roller and cage assemblies f
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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 137: 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
Page 187 and 188: 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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