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Home>Products>Thrust Spherical Roller Bearing>NNU4921K

  • NNU4921K
  • NNU4921K

NTN NNU4921K MODELS

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NNU4921K

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Thrust Spherical Roller Bearing

NTN NNU4921K Bearing SPECIFICATIONS

  • With over 85 mm l7 min. 10170 full-service stores, our NNU4921K inventory is NACHI BEARINGS OF AMERICA CORP. extensive and our parts are priced 132 mm l1 min. right. within 24 hours. This helps you maximize your productivity by saving time and your hard-earned dollars.

  • NTN

  • NNU4921K

  • 132 mm
  • 49 mm
  • 85 mm
  • M 72x4
  • 43 mm
  • 70 mm
  • 349 mm
  • 100 N/mm²
Download NTN NNU4921K Spec Sheet
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  • NACHI BEARINGS OF AMERICA CORP.2020-07-10 09:46:19
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Thrust Spherical Roller Bearing Specification details

  • 132 mm
  • 49 mm
  • 85 mm
  • M 72x4
  • 43 mm
  • 70 mm
  • 349 mm
  • 100 N/mm²
  • 265 mm
  • 162 mm
  • 315 kN
  • 490 kN
  • 10 kg
  • 330
  • 1 mm
  • 92 mm
  • 6 °
NNU4921K pdf

NTN NNU4921K NNU4921K Product Features

 

NN4924K NTN Cylindrical Roller BearingMax. speed for Taconite seal:520 r/min; h:54.769 mm; Pa:43.6 kN; Appropriate attachment bolt size G:1 in; R1:115.888 mm; H2:69.85 mm; Mass pillow block:165 kg; End plug (suffix Y):EPR 18; Taconite seal:TER 138; Initial grease fill:878.85 g; P180°:133 kN; Cap bolt, SAE grade:8; R2:37.306 mm; H1:179.4 mm; Ca:95.809 mm; da:147.637 mm; Stabilizing ring:SR-34-0; S:4.763 mm; P120°:127 kN; L:628.65 mm;
4R3628 NTN Cylindrical Roller BearingPa:16.7 kN; R2:30.163 mm; P60°:141 kN; Stabilizing ring:2 x 38151-24; A1:111.125 mm; h:40.481 mm; PosiTrac Plus contact element:2 x B10724-113; ba:46.831 mm; Cap bolt:5/8-11 UNC; Labyrinth ring:2 x LOR 112; L:387.35 mm; Mass pillow block:39.5 kg; PG:1/4 NPT; RG:3/8 NPT; A2:155.575 mm; Max. speed for PosiTrac Plus seal:1350 r/min; H:222.25 mm; P90°:84.5 kN; P120°:52.5 kN; Cap bolt, SAE grade:8;
NN3084D:1150 mm; Weight:1980  ; Dynamic (Cr):12896 kN; d:800 mm; B1:325 mm; Static (Cor):31930  ; B:490 mm; Bearing designation:PLC 512-58  ; Pu:1966.450 kg;
NNU48/63 NTN Tapered Roller BearingMass pillow block:14.3 kg; R2:21.431 mm; Housing:SSAFS 515; Bearing limiting speed:6300 r/min; H:161.925 mm; A2:120.65 mm; H1:82.55 mm; P120°:36.9 kN; Cap bolt:2 x 1/2-13 UNC; Labyrinth ring:2 x LOR 36; Initial grease fill:68.04 g; da:60.325 mm; Pa:6.94 kN; P60°:104 kN; P180°:40 kN; P90°:59.6 kN; S:3.175 mm; P150°:33.4 kN; R1:46.038 mm; Cap bolt, SAE grade:8;
NNU4988K NTN Cylindrical Roller Bearingb:7 mm; Mass:0.41 kg; d1:70 mm; d5:74 mm; Associated spanner (Hook spanner in accordance with DIN 1810):HN 10-11; h:3 mm; B:25 mm; Recommended tightening torque:4.2 N·m; G:M 50x1.5; d3:75 mm; Grub (set) / Locking screw size:M 4;
4R3433 NTN Cylindrical Roller BearingTolerance shaft:h8; D:32 mm; Permissible sliding velocity v max.:5 m/s; B:20 mm; Specific static load factor K0:20 N/mm²; Permissible sliding velocity v min.:0.25 m/s; Coefficient of friction µ min.:0.05; Mass bushing:0.052 kg; Specific dynamic load factor K:10 N/mm²; d:22 mm; Tolerance housing:H7; Coefficient of friction µ max.:0.1;
4R3625 NTN Cylindrical Roller Bearingd1:42.862 mm; B:12.954 mm; Threads per inch:18; d3 max.:68.402 mm; Mass adapter sleeve assembly:0.39 kg; B1:60.554 mm; d:50 mm; Sleeve:S 110x1.11/16; B4:14.173 mm; Hydraulic nut:HMVC 10E; G:49.962 mm;
NNU49/56 NTN Tapered Roller BearingBearing designation:6414  ; Oil:4 700 min-1; Da:164 max; d:70 mm; da:85 min; Pu:4.228 kN; D:180 mm; Static (Cor):104.000 kN; ra:2.5 max; Dynamic (Cr):144.000 kN; rs:3 mm; Weight:4.85 kg; B:42 mm; Grease:4 000 min-1;
NN49/95 NTN Tapered Roller Bearinga:5 mm; Mass bushing:1.7 kg; Coefficient of friction µ min.:0.08; Permissible sliding velocity v min.:0 m/s; Coefficient of friction µ max.:0.15; Tolerance shaft:e7; Specific static load factor K0:45 N/mm²; Permissible sliding velocity v max.:0.5 m/s; Specific dynamic load factor K:25 N/mm²; D:90 mm; d:75 mm; Tolerance housing:H7; α:124 °; B:100 mm; h:76.5 mm;
NNU4980Tolerance housing:H7; a:3 mm; Coefficient of friction µ max.:0.15; Tolerance shaft:e7; Permissible sliding velocity v min.:0 m/s; d:22 mm; Coefficient of friction µ min.:0.08; Specific dynamic load factor K:25 N/mm²; D:32 mm; D1:40 mm; Permissible sliding velocity v max.:0.5 m/s; B1:5 mm; h:23 mm; α:105 °; B:16 mm; Specific static load factor K0:45 N/mm²; Mass bushing:0.08 kg;
NN4948 NTN Tapered Roller BearingFatigue load limit Pu:38 kN; Limiting speed:1700 r/min; B:82 mm; Basic dynamic load rating C:852 kN; d1 ≈:423 mm; da min.:382 mm; r1,2 min.:5 mm; h:12.5 mm; D:540 mm; d:360 mm; Calculation factor A:10.4; Calculation factor Y0:0.58; Calculation factor Y2:1.07; Da max.:518 mm; r0:2.5 mm; Basic static load rating C0:1930 kN; Calculation factor e:0.95; D1 ≈:477 mm; Calculation factor X:0.6;
NNU4972K NTN Cylindrical Roller BearingCap bolt:7/8-9 UNC; PG:1/4 NPT; RG:3/4 NPT; Initial grease fill:481.95 g; Housing:SSAFS 034 KA; Cap bolt, SAE grade:8; Labyrinth ring:2 x LOR 141; H1:152.4 mm; P90°:180 kN; h:44.45 mm; Stabilizing ring:2 x SR-0-24; da:152.4 mm; R1:87.313 mm; P120°:116 kN; End plug (suffix Y):EPR 18; A1:149.225 mm; PosiTrac Plus contact element:2 x B10724-140; ba:64.294 mm; L:511.175 mm; H:298.45 mm;
NNU4968K NTN Cylindrical Roller BearingDynamic Load Rating:155.9 kN; D:295 mm; Radius:2 mm; d:200 mm; Static Load Rating:277.4 kN; B:35 mm; Oil Holes:3 mm; Da:258 mm; da:238 mm;
NNU306 NTN Tapered Roller BearingD:1250 mm; Dynamic (Cr):6400 kN; Weight:987  ; Pu:1187.950 kg; d:950 mm; Bearing designation:PLC 512-28  ; Static (Cor):20000  ; B1:220 mm; B:300 mm;
4R3029 NTN Cylindrical Roller BearingG:239.827 mm; B5:43.129 mm; Hydraulic nut:HMVC 48E; Sleeve:S 3048x8.15/16; Threads per inch:6; d:240 mm; Mass adapter sleeve assembly:14.5 kg; B:34.392 mm; d1:227.012 mm; B1:137.719 mm; d3 max.:290.652 mm;
NN3934 NTN Tapered Roller BearingE:mm; r1s (min):2.1 mm; D:190 mm; b:mm; B:65.1 mm; d2 (max):mm; Pu:62.190 kN; Static (Coa):573 kN; Dynamic (Ca):362 kN; d2:105 mm; s:7 mm; F:127 mm; b1:mm; rs (min):2.1 mm;

 

 

No.BrandUEwbLNKC
4R4426NTN - - - - - - - -
NN4924KNTN - - - - 628.65 mm - - -
NNU4944KNTN - - 90 mm - - - - -
4R4206NTN - - - - - - - -
4R3423NTN - - - - - - - -
NN3020KNTN - - - - - - - -
NN4952NTN - - - - 330.2 mm - - -
NNU38/5NTN - - - - - - - -
NN3972NTN - - 50 mm - - - - -
NN3964NTN17 mm - - - - - - -
NN30/5NTN - - - - - - - -
NN3092NTN - - - - - - - -
NNU4856NTN - - - - - - - -
NN4956NTN - - 50 mm - - - - -
NNU4088NTN - - - - - - - -
4R441NTN - - - - - - - -
NNU4992KNTN - - - - - - - -
NNU3064NTN - - - - - - - -
NN4930KNTN - - - 4.6 mm - - - 25 mm
NNU3088NTN - - - - 330.2 mm - - -
NN306NTN - - 55 mm - - - - -
4R2904NTN - - - - 70 mm12.3 mm - -
NN494NTN - - - - - - - -
NN3022KNTN - - - - - - - -
NN4921NTN - - - - 466.725 mm - - -
NN3028KNTN - - - 22.3 mm - - 12 mm -

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NNU4921K Video

 

NTN NNU4921K INTERCHANGE

Thrust Spherical Roller Bearing Part series NNU4921K is a potential replacement for these common bearing part numbers:

  • NNU4921K

  • NNU4921K

  • NNU4921K

  • NNU4921K

  • NNU4921K

  • NNU4921K

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    • timken set47 Bearing
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