Needle Roller Bearings - Ntn-snr.com

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Machined-ring needle roller bearings NTN Inch series Without inner ring Type MR FW 15.87563.500mm Boundary dimensions Basic load ratings Limiting speeds dynamic static dynamic static mm (!/25.4mm) N kgf r/min grease oil Fw D C rs min 1) Cr Cor Cr Cor (approx.) 15.875(%/8) 19.050(#/4) 22.225(&/8) 25.400(1) 28.575(1 !/8) 31.750(1 !/4) 34.925(1 #/8) 38.100(1 !/2) 41.275(1 %/8) +0.027 +0.016 +0.033 +0.020 +0.033 +0.020 +0.033 +0.020 +0.033 +0.020 +0.041 +0.025 +0.041 +0.025 +0.041 +0.025 +0.041 +0.025 28.575(1 !/8) 19.05(#/4) 0.6 16 700 16 700 1 700 1 700 17 000 25 000 28.575(1 !/8) 25.40(1) 0.6 21 500 23 000 2 190 2 350 17 000 25 000 31.750(1 !/4) 19.05(#/4) 1 19 500 21 100 1 980 2 150 14 000 21 000 31.750(1 !/4) 25.40(1) 1 25 000 29 100 2 550 2 970 14 000 21 000 34.925(1 #/8) 19.05(#/4) 1 21 900 25 600 2 240 2 610 12 000 18 000 34.925(1 #/8) 25.40(1) 1 28 200 35 500 2 870 3 600 12 000 18 000 38.100(1 !/2) 19.05(#/4) 1 23 000 28 100 2 340 2 870 11 000 16 000 38.100(1 !/2) 25.40(1) 1 29 500 38 500 3 000 3 950 11 000 16 000 41.275(1 %/8) 25.40(1) 1 32 500 45 000 3 300 4 600 9 500 14 000 41.275(1 %/8) 31.75(1 !/4) 1 40 500 60 000 4 100 6 100 9 500 14 000 44.450(1 #/4) 25.40(1) 1 35 000 51 000 3 550 5 200 8 500 13 000 44.450(1 #/4) 31.75(1 !/4) 1 43 500 68 000 4 450 6 950 8 500 13 000 47.625(1 &/8) 25.40(1) 1 37 000 57 500 3 800 5 850 7 500 11 000 47.625(1 &/8) 31.75(1 !/4) 1 46 500 76 500 4 750 7 800 7 500 11 000 52.388(2 !/16) 25.40(1) 1.5 41 000 61 000 4 150 6 250 7 500 11 000 52.388(2 !/16) 31.75(1 !/4) 1.5 51 000 81 500 5 200 8 300 7 500 11 000 55.562(2 #/16) 25.40(1) 1.5 43 500 68 000 4 450 6 950 6 500 9 500 55.562(2 #/16) 31.75(1 !/4) 1.5 54 500 90 500 5 550 9 250 6 500 9 500 44.450(1 #/4) 58.738(2 %/16) 25.40(1) 1.5 44 500 72 000 4 550 7 350 6 000 9 000 58.738(2 %/16) 31.75(1 !/4) 1.5 55 500 95 500 5 700 9 750 6 000 9 000 +0.041 47.625(1 &/8) +0.025 61.912(2 &/16) 31.75(1 !/4) 1.5 59 000 105 000 6 000 10 700 5 500 8 500 50.800(2) 57.150(2 !/4) +0.041 +0.025 +0.049 +0.030 +0.049 +0.030 65.088(2 (/16) 25.40(1) 1.5 49 500 86 000 5 050 8 800 5 500 8 000 65.088(2 (/16) 31.75(1 !/4) 1.5 62 000 114 000 6 300 11 700 5 500 8 000 76.200(3) 38.10(1 !/2) 1.5 83 500 142 000 8 500 14 500 4 700 7 000 76.200(3) 44.45(1 #/4) 1.5 97 000 173 000 9 850 17 600 4 700 7 000 +0.049 63.500(2 !/2) +0.030 82.550(3 !/4) 38.10(1 !/2) 2 88 000 158 000 8 950 16 100 4 300 6 500 Note 1) Allowable minimum chamfer dimension r. B-80
Machined-ring needle roller bearings NTN Bearing Abutment Mass numbers dimensions mm kg Da ras max max (approx.) MR101812 24.5 0.6 0.050 MR101816 24.5 0.6 0.068 MR122012 26.5 1 0.055 MR122016 26.5 1 0.073 MR142212 30 1 0.059 MR142216 30 1 0.082 MR162412 33 1 0.068 MR162416 33 1 0.091 MR182616 36.5 1 0.100 MR182620 36.5 1 0.127 MR202816 39.5 1 0.109 MR202820 39.5 1 0.136 MR223016 42.5 1 0.118 MR223020 42.5 1 0.150 MR243316 46 1.5 0.143 MR243320 46 1.5 0.180 MR263516 49 1.5 0.153 MR263520 49 1.5 0.191 MR283716 52 1.5 0.163 MR283720 52 1.5 0.204 MR303920 55.5 1.5 0.216 MR324116 58.5 1.5 0.183 MR324120 58.5 1.5 0.227 MR364824 69.5 1.5 0.422 MR364828 69.5 1.5 0.493 MR405224 74.5 2 0.472 B-81
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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 141: 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
Page 189 and 190: Inner rings NTN d 170380mm Boundary
Page 191 and 192: 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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