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Home>Products>Thrust Spherical Roller Bearing>NNU4938K

  • NNU4938K
  • NNU4938K

NTN NNU4938K MODELS

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NNU4938K

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Thrust Spherical Roller Bearing

NTN NNU4938K Bearing SPECIFICATIONS

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  • NTN

  • NNU4938K

  • 23 mm
  • 65 mm
  • 178 kN
  • 36 mm
  • 150 kN
  • 140 mm
  • 33 mm
  • 2.5 mm
Download NTN NNU4938K Spec Sheet
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Thrust Spherical Roller Bearing Specification details

  • 23 mm
  • 65 mm
  • 178 kN
  • 36 mm
  • 150 kN
  • 140 mm
  • 33 mm
  • 2.5 mm
  • 3 mm
  • 44 mm
  • 21.550 kN
  • 1 mm
NNU4938K pdf

NTN NNU4938K NNU4938K Product Features

 

NN3034 NTN Tapered Roller BearingDa min.:161.5 mm; rb max.:1.1 mm; Specific dynamic load factor K:150 N/mm²; Da max.:168.5 mm; da max.:130.5 mm; Design (sliding contact surface combination):Steel/PTFE fabric; Basic dynamic load rating C:1700 kN; da min.:123 mm; r1 min.:1 mm; Sealing solution:Triple-lip seals; Basic static load rating C0:3400 kN; Lubricant:Maintenance free &nd; α:6 °; C:85.725 mm; d:114.3 mm; D:177.8 mm;
NN3148 NTN Tapered Roller Bearingd:710 mm; Reference speed:1200 r/min; Calculation factor f0:17.4; Mass bearing:93.5 kg; da min.:725 mm; D1 ≈:818 mm; Fatigue load limit Pu:16.6 kN; Basic static load rating C0:1100 kN; B:74 mm; Calculation factor kr:0.015; Limiting speed:1000 r/min; ra max.:3 mm; Basic dynamic load rating C:475 kN; D:870 mm; r1,2 min.:4 mm; Da max.:855 mm; d1 ≈:761.4 mm;
NNU4984K NTN Cylindrical Roller BearingH2:60.325 mm; R1:87.313 mm; H1:152.4 mm; S:4.763 mm; PG:1/4 NPT; da:140 mm; Taconite seal (dc shaft position):TER 127; Taconite seal (db shaft position):TER 144; Initial grease fill:481.95 g; H:298.45 mm; Pa:82.3 kN; P90°:180 kN; R2:38.1 mm; P150°:105 kN; P180°:127 kN; L:511.175 mm; A2:260.35 mm; P60°:301 kN; h:51.594 mm; Stabilizing ring:SR-28-0;
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;
NNU3044 NTN Tapered Roller BearingBasic dynamic load rating C:5500 kN; Da max.:578 mm; K:5 mm; das:442 mm; D:600 mm; r1,2 min.:5 mm; Calculation factor kr:0.5; ra max.:4 mm; da min.:424 mm; d1 ≈:460 mm; B:272 mm; s max.:11 mm; rb max.:4 mm; b1:9.4 mm; D1 ≈:540 mm; Mass bearing:270 kg; Limiting speed:560 r/min; d:400 mm; Reference speed:450 r/min; Fatigue load limit Pu:900 kN;
NN302 NTN Tapered Roller BearingTolerance housing:H7; Specific static load factor K0:20 N/mm²; Coefficient of friction µ min.:0.05; D:12 mm; Permissible sliding velocity v min.:0.25 m/s; Mass bushing:0.006 kg; Specific dynamic load factor K:10 N/mm²; Coefficient of friction µ max.:0.1; Tolerance shaft:h8; Permissible sliding velocity v max.:5 m/s; d:5 mm; B:10 mm;
NN3024K NTN Cylindrical Roller Bearings max.:3.3 mm; D1 ≈:488 mm; F:447 mm; Axial load factor Y:0.6; D:520 mm; Limiting speed:1800 r/min; d:420 mm; Basic static load rating C0:1200 kN; r1,2 min.:2.1 mm; Mass bearing:22 kg; Limiting value e:0.2; Da max.:508 mm; db min.:452 mm; da max.:442 mm; ra max.:2 mm; B:46 mm; Basic dynamic load rating C:572 kN; Fatigue load limit Pu:102 kN; Reference speed:1200 r/min; Calculation factor kr:0.1;
NN3092K NTN Cylindrical Roller Bearingr1 max.:0.6 mm; Lw:23.8 mm; Dw:3 mm; Mass needle roller:1.32 g; r2 max.:0.8 mm; r1,2 min.:0.2 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;
NN3048K NTN Cylindrical Roller BearingAttachment bolt diameter G:22.225 mm; H1:95.25 mm; da:88.9 mm; L:355.6 mm; H:190.5 mm; H2:57.15 mm; Mass bearing unit:16.1 kg; J max.:290.512 mm; Limiting speed:2600 r/min; Basic dynamic load rating C:325 kN; B:80.169 mm; S:0.794 mm; A:92.075 mm; J min.:268.288 mm; s:40.084 mm;
NN3056K NTN Cylindrical Roller BearingA2:149.225 mm; h:38.1 mm; P180°:58.7 kN; Cap bolt recommended tightening torque:149.1 N·m; H1:101.6 mm; H:196.85 mm; Pa:10.9 kN; ba:40.481 mm; S:4.763 mm; End plug (suffix Y):EPR 11; Stabilizing ring:SR-18-15; J min.:263.525 mm; R1:60.325 mm; Cap bolt:1/2-13 UNC; Initial grease fill:141.75 g; J max.:295.275 mm; A1:98.425 mm; P60°:141 kN; Mass pillow block:30.8 kg; Ca:49.809 mm;
4R4041 NTN Cylindrical Roller BearingOil Holes:1.5 mm; Dynamic Load Rating:9.3 kN; Static Load Rating:11.6 kN; D:65 mm; Radius:0.6 mm; d:40 mm; Da:56.8 mm; B:10 mm; da:45 mm;
NNU4968 NTN Tapered Roller BearingBasic static load rating C0:11.2 kN; Da:93.7 mm; Recommended diameter for attachment bolts, inch G:0.375 in; Recommended diameter for attachment bolts, mm G:10 mm; Limiting speed:1200 r/min; d:30 mm; Fatigue load limit Pu:0.475 kN; J6:96 mm; Mass bearing unit:1.05 kg; N:11.5 mm; A1:13 mm; J:82.5 mm; Db2:84 mm; s1:23 mm; N4:4 mm; T:43 mm; A3:3.2 mm; J7:24.5 mm; A5:20 mm; Basic dynamic load rating C:19.5 kN;
4R3823 NTN Cylindrical Roller Bearingd1 ≈:75.1 mm; db min.:64 mm; Calculation factor Y2:2.7; ra max.:1.5 mm; Reference speed:4500 r/min; T:88 mm; r1,2 min.:1.5 mm; Calculation factor Y0:1.8; Fatigue load limit Pu:35.5 kN; C:74 mm; l:28 mm; Calculation factor e:0.37; rc max.:0.6 mm; Limiting speed:6700 r/min; b:16 mm; Calculation factor Y1:1.8; Db min.:91 mm; d:55 mm; a:72 mm; Cb min.:7 mm;
4R2823 NTN Cylindrical Roller BearingPermissible sliding velocity v max.:5 m/s; Coefficient of friction µ min.:0.05; d:45 mm; B:45 mm; Specific dynamic load factor K:10 N/mm²; Permissible sliding velocity v min.:0.25 m/s; Mass bushing:0.13 kg; Tolerance shaft:h8; Coefficient of friction µ max.:0.1; D:51 mm; Tolerance housing:H7; Specific static load factor K0:20 N/mm²;
4R3232 NTN Cylindrical Roller BearingPu:0.004 kN; ra:0.1 max; rs:0.1 mm; Da:4.8 max; Grease:63 000 min-1; Dynamic (Cr):0.279 kN; Oil:79 000 min-1; B:2.3 mm; Weight:0.0004 kg; da:3.2 min; Static (Cor):0.090 kN; D:6 mm; d:2 mm; Bearing designation:619 / 2  ;

 

 

No.BrandUEwbLNKC
NNU4938KNTN - - - - - - - 23 mm
NNU3034NTN - - - - - - - -
NN4924KNTN - - - - 628.65 mm - - -
NNU3856NTN - - - - - - - -
NNU4996NTN - - - - - - - -
NNU4864NTN - - - - 628.65 mm - - -
NN306NTN - - 55 mm - - - - -
NN3036NTN - - - - 387.35 mm - - -
NN3944KNTN - - - - 387.35 mm - - -
NN4932NTN - - - - 86 mm11.5 mm - -
4R4444NTN - - - - - - - -
NN494NTN - - - - - - - -
NN3021NTN - - - - - - - -
NN4938NTN - - - - - - - -
NNU4921KNTN - - - - - - - -
4R4445NTN - - - - - 17 mm - -
NN492NTN - - - - - - - -
NN4964KNTN - - - - 134 mm17.5 mm - -
NNU4932NTN - - - - 558.8 mm - - -
NN3020KNTN - - - - - - - -
4R3231NTN - - - - 212.725 mm - - -
NN3026NTN - - - - - - - -
NNU49/530KNTN - - - - - - - -
NN3021KNTN - - - - - - - -

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Bearing NNU4938K (NTN) | Size and Specification | Bearings

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NNU4938K Video

 

NTN NNU4938K INTERCHANGE

Thrust Spherical Roller Bearing Part series NNU4938K is a potential replacement for these common bearing part numbers:

  • NNU4938K

  • NNU4938K

  • NNU4938K

  • NNU4938K

  • NNU4938K

  • NNU4938K

  • NNU4938K

  • NNU4938K

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NTN NNU4938K Technical Articles

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    • Tapered Roller Bearing Cones
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