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Home>Products>Thrust Spherical Roller Bearing>4R3818 NTN Cylindrical Roller Bearing

  • 4R3818 NTN Cylindrical Roller Bearing
  • 4R3818 NTN Cylindrical Roller Bearing

NTN 4R3818 MODELS

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4R3818 NTN Cylindrical Roller Bearing

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Thrust Spherical Roller Bearing

NTN 4R3818 Bearing SPECIFICATIONS

  • 4R3818 NTN Cylindrical Roller Bearing Product Brochures 69.85 mm Inner ring width B , Thrust Spherical Roller Bearing Manufacturing NACHI BEARINGS OF AMERICA CORP. Service . 139.7 mm Distance between attachment bolts J max. Get Your Free.

  • NTN

  • 4R3818

  • 139.7 mm
  • 69.85 mm
  • 73.8 kN
  • 62.706 mm
  • 174.625 mm
  • 1700 r/min
  • 25.4 mm
  • 100.013 mm
Download NTN 4R3818 Spec Sheet
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Thrust Spherical Roller Bearing Specification details

  • 139.7 mm
  • 69.85 mm
  • 73.8 kN
  • 62.706 mm
  • 174.625 mm
  • 1700 r/min
  • 25.4 mm
  • 100.013 mm
  • 30.163 mm
  • 119.063 mm
  • 0.794 mm
  • 72.231 mm
  • 38.1 mm
  • 53.975 mm
  • 3.15 kg
  • 12.7 mm
  • 47.625 mm
4R3818 NTN Cylindrical Roller Bearing pdf

NTN 4R3818 4R3818 NTN Cylindrical Roller Bearing Product Features

 

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;
4R4413 NTN Cylindrical Roller Bearingb:12 mm; s:2.9 mm; Dynamic (Ca):607 kN; E:mm; Static (Coa):750 kN; b1:20 mm; D:310 mm; Pu:70.340 kN; rs (min):4 mm; d2 (max):228.8 mm; B:52 mm; F:207 mm; d2:170 mm; r1s (min):4 mm;
NNU4938KC:23 mm; d2:65 mm; Static (Coa):178 kN; T:36 mm; Dynamic (Ca):150 kN; D:140 mm; B:33 mm; r1s (min):2.5 mm; rs (min):3 mm; a:44 mm; Pu:21.550 kN; r2s (min):1 mm;
NN3944K NTN Cylindrical Roller BearingP150°:58.7 kN; P180°:71.2 kN; dc:96.838 mm; Appropriate attachment bolt size G:0.75 in; da:100 mm; RG:3/8 NPT; L:387.35 mm; P60°:175 kN; J min.:295.275 mm; Cap bolt:5/8-11 UNC; Da:180 mm; J1:60.325 mm; Cap bolt, SAE grade:8; Stabilizing ring:SR-20-17; Taconite seal (db shaft position):TER 118; Cap bolt recommended tightening torque:298.3 N·m; P120°:64.9 kN; H:222.25 mm; Initial grease fill:181.44 g;
NN4952K NTN Cylindrical Roller BearingMass bearing:0.19 kg; Basic dynamic load rating C:11.7 kN; Calculation factor (back-to-back, face-to-face) Y1:0.92; rb max.:0.6 mm; db min.:44.6 mm; B:15 mm; Calculation factor f2A:1; Static axial stiffness, preload class C:169 N/µm; Da max.:63.4 mm; Ball diameter Dw:7.144 mm; Static axial stiffness, preload class A:87 N/µm; da max.:49.1 mm; D:68 mm; Calculation factor f:1.06; Db max.:63.8 mm;
NN396 NTN Tapered Roller BearingD:180 mm; d2:120 mm; d2 (max):mm; F:135 mm; Static (Coa):168 kN; B:28 mm; Pu:18.140 kN; r1s (min):1.1 mm; s:2 mm; E:mm; Dynamic (Ca):131 kN; b:mm; rs (min):2 mm; b1:mm;
4R3423 NTN Cylindrical Roller BearingCap bolt:7/8-9 UNC; Stabilizing ring:2 x 38151-38; Bearing limiting speed:2400 r/min; Pa:42.9 kN; Da:289.999 mm; Ca:89.789 mm; da:174.625 mm; Eye bolt:2 x 3/8-16 UNC; A1:158.75 mm; Cap bolt recommended tightening torque:813.5 N·m; RG:3/4 NPT; PG:1/4 NPT; P150°:120 kN; Mass pillow block:132 kg; P180°:145 kN; Housing:SSAFS 038 KA; R1:104.775 mm; A2:225.425 mm; P120°:133 kN; P90°:207 kN;
NNU3144 NTN Tapered Roller BearingThreads per inch:18; d1:47.625 mm; Hydraulic nut:HMVC 11E; B1:46.609 mm; d3 max.:75.54 mm; G:54.788 mm; B4:14.3 mm; B:12.954 mm; Mass adapter sleeve assembly:0.36 kg; Sleeve:S 11x1.7/8; d:55 mm;
NN4060Basic static load rating C0:23.2 kN; R1:28.5 mm; B4:9 mm; s1:32.6 mm; Mass bearing unit:2.05 kg; GN:1/4-28 SAE-LT; H:189 mm; A1:15 mm; Basic dynamic load rating C:35.1 kN; DN:6.5 mm; J7:20 mm; T:60.6 mm; A3:3.2 mm; J:157 mm; Recommended tightening torque for grub screw:16.5 N·m; Recommended diameter for attachment bolts, mm G:16 mm; A:43 mm; Db1:107 mm; J6:127 mm; B:51.6 mm;
NN38/56 NTN Tapered Roller BearingD1 ≈:1053 mm; Mass bearing:525 kg; Limiting speed:480 r/min; ra max.:5 mm; d2 ≈:940 mm; D:1120 mm; r1,2 min.:6 mm; Reference speed:360 r/min; B:200 mm; Basic static load rating C0:16300 kN; d:850 mm; Operating clearance factor k2:0.098; Misalignment factor k1:0.135; Fatigue load limit Pu:960 kN; Ca min.:2.9 mm; Da max.:1097 mm; Da min.:1025 mm; Basic dynamic load rating C:7350 kN; s1 max.:35.9 mm;
NN3928 NTN Tapered Roller BearingHousing material:Cast iron; Hexagonal key size for grub screw N:3 mm; Fatigue load limit Pu:0.28 kN; s1:26.6 mm; N1:11.5 mm; L:127 mm; A:32 mm; J7:11.5 mm; Housing:SY 504 M/VZ033; J6:118 mm; N4:2 mm; Basic dynamic load rating C:12.7 kN; Recommended diameter for attachment bolts, mm G:10 mm; Mass bearing unit:0.6 kg; J max.:106 mm; Limiting speed:1800 r/min; Recommended tightening torque for grub screw:4 N·m;
NN3934K NTN Cylindrical Roller BearingJ6:98.5 mm; Recommended tightening torque for grub screw:4 N·m; DN:6.5 mm; J7:12.5 mm; A5:22.5 mm; RG:1/4-28 UNF; d:30.163 mm; L:83 mm; SWN:7 mm; s1:22.2 mm; Mass bearing unit:0.86 kg; A3:3.2 mm; Db2:83 mm; R1:21 mm; Housing material:Cast iron; H:141.5 mm; Thread grub screw G2:1/4-28 UNF; Recommended diameter for attachment bolts, mm G:10 mm; Rα:45 °; Basic dynamic load rating C:19.5 kN;
4R3231 NTN Cylindrical Roller BearingAttachment bolt diameter G:15.875 mm; H:117.872 mm; A:58.737 mm; J max.:174.625 mm; A1:77.787 mm; B:73.025 mm; L:212.725 mm; s:25.4 mm; H1:57.15 mm; H2:34.925 mm; J min.:150.813 mm; Limiting speed:1450 r/min; d2:73.819 mm; Mass bearing unit:4.15 kg; S:0.794 mm; da:49.212 mm; Basic dynamic load rating C:84.5 kN;
NN3021KPermissible sliding velocity v min.:0.25 m/s; Specific dynamic load factor K:10 N/mm²; Tolerance housing:H7; Permissible sliding velocity v max.:5 m/s; Specific static load factor K0:20 N/mm²; Coefficient of friction µ min.:0.05; Coefficient of friction µ max.:0.1; B:16 mm; Tolerance shaft:h8; D:18 mm; d:8 mm; Mass bushing:0.02 kg;
4R4444 NTN Cylindrical Roller BearingCoefficient of friction µ min.:0.08; B:350 mm; Coefficient of friction µ max.:0.15; D:250 mm; α:124 °; Tolerance shaft:e7; Permissible sliding velocity v max.:0.5 m/s; Mass bushing:23.2 kg; Tolerance housing:H7; Specific static load factor K0:45 N/mm²; Permissible sliding velocity v min.:0 m/s; a:17.5 mm; Specific dynamic load factor K:25 N/mm²; h:232.5 mm; d:230 mm;
NN3948 NTN Tapered Roller BearingBasic static load rating C0:15.3 kN; Da:106.4 mm; d:35 mm; Housing material:Composite; A3:3.2 mm; J:92 mm; L:118 mm; B1:39.5 mm; N:14.8 mm; Recommended tightening torque for grub screw:7.4 N·m; Limiting speed:5300 r/min; Db:90 mm; Mass bearing unit:0.69 kg; Thread grub screw G2:M6; A:35 mm; Recommended diameter for attachment bolts, mm G:12 mm; Recommended diameter for attachment bolts, inch G:0.5 in;

 

 

No.BrandUEwbLNKC
NNU4984NTN - - - - - - - -
NN3944KNTN - - - - 387.35 mm - - -
NN3984NTN - - 60 mm - - - - -
NN3948KNTN - - - - 466.725 mm - - -
NN3934NTN - mm - mm - - - -
4R4806NTN - - - - - 11 mm - -
4R2628NTN - - - - - - - -
NNU4930KNTN - - - - 749.3 mm - - -
4R3443NTN - - - - - - - 100 mm
NN3084KNTN - - - - - - - 17.5 mm
NNU3144NTN - - - - - - - -
NNU4921KNTN - - - - - - - -
4R4819NTN - - - - - - - -
NNU3088NTN - - - - 330.2 mm - - -
NNU48/63NTN - - - - - - - -
NNU3164NTN - - - 22.3 mm - - 12 mm -
NNU3044NTN - - - - - - 5 mm -
NN3922NTN - - - - - - - -
4R4425NTN - - - - - - - -
NN3064NTN - - - - - - - -
4R3625NTN - - - - - - - -
NNU4964NTN - - - - - - - -
NN3048NTN - - - - 95 mm12.3 mm - -
NN3932NTN - - - - 205 mm20 mm - -
NNU4856NTN - - - - - - - -
NN4952NTN - - - - 330.2 mm - - -
NN3952NTN - - - - - - - -
NN4920KNTN - 88.5 mm - 6 mm - - - -
NNU49/530KNTN - - - - - - - -
NNU3022KNTN - - - - - - - 9.25 mm

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4R3818 NTN Cylindrical Roller Bearing Video

 

NTN 4R3818 INTERCHANGE

Thrust Spherical Roller Bearing Part series 4R3818 is a potential replacement for these common bearing part numbers:

  • 4R3818

  • 4R3818

  • 4R3818

  • 4R3818

  • 4R3818

  • 4R3818

  • 4R3818

  • 4R3818

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