Product Details

NN3948 NTN Tapered Roller Bearing

Brand Name NTN
Model Number NN3948
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

 

4R4449 NTN Cylindrical Roller BearingStatic axial stiffness, preload class B:200 N/µm; D1:82.22 mm; Db max.:90.8 mm; db min.:66 mm; d1:72.74 mm; Preload class B GB:440 N; d2:70.6 mm; D:95 mm; Mass bearing:0.39 kg; r3,4 min.:0.6 mm; Calculation factor (single, tandem) Y2:0.87; Da max.:89 mm; Static axial stiffness, preload class C:260 N/µm; Preload class C GC:870 N; Calculation factor f:1.08; Number of balls z:25; Basic static load rating C0:12.2 kN;
4R4048 NTN Cylindrical Roller BearingD:105 mm; Tolerance housing:H7; Tolerance shaft:h8; Specific dynamic load factor K:10 N/mm²; Coefficient of friction µ min.:0.05; Mass bushing:2.24 kg; Specific static load factor K0:20 N/mm²; Permissible sliding velocity v max.:5 m/s; Permissible sliding velocity v min.:0.25 m/s; d:80 mm; Coefficient of friction µ max.:0.1; B:100 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;
NN4930K NTN Cylindrical Roller Bearingdk:60 mm; Sealing solution:Triple-lip seals; b1:4.6 mm; D:68 mm; C:25 mm; r2 min.:1 mm; d:45 mm; Mass plain bearing:0.46 kg; Specific static load factor K0:500 N/mm²; ra max.:0.6 mm; Basic dynamic load rating C:127 kN; Da min.:61 mm; B:32 mm; da max.:50.8 mm; Design (sliding contact surface combination):Steel/steel, heavy-d; Specific dynamic load factor K:100 N/mm²; Material constant KM:330;
NNU304 NTN Tapered Roller Bearings:29.766 mm; S:0.794 mm; J max.:152.4 mm; Mass bearing unit:3.65 kg; A:58.737 mm; Attachment bolt diameter G:12.7 mm; da:42.862 mm; Basic dynamic load rating C:102 kN; B:59.531 mm; L:187.325 mm; J min.:131.762 mm; H1:53.975 mm; H2:33.337 mm; Limiting speed:5300 r/min; H:109.537 mm;
NN403 NTN Tapered Roller BearingA:315 mm; Q180°:1430 kN; L:790 mm; A1:280 mm; Mass housing:252 kg; P180°:2000 kN; P150°:1600 kN; Eye bolt, size:2 x M 24; Q120°:2860 kN; H2:105 mm; Da:460 mm; Appropriate attachment bolt, rec. tightening torque:2280 N·m; J:670 mm; Locating ring:2 x FRB 25/460; P90°:2400 kN; Pa:1300 kN; Oil level, min.:75 mm; Q150°:1650 kN; P120°:1800 kN; Ca:168 mm;
NNU493 NTN Tapered Roller BearingC1 max.:28 mm; Size bolt with internal hexagon:M 10; l7 min.:31 mm; Basic dynamic load rating C:65.5 kN; Specific dynamic load factor K:100 N/mm²; Basic static load rating C0:100 kN; G:M 27x2; d2 max.:76 mm; d4 max.:39 mm; Mass rod end:1.2 kg; B:32 mm; r1 min.:0.6 mm; l3 min.:37 mm; dk:43 mm; α:4 °; l4 max.:119 mm; h1:80 mm; Tightening torque bolt with internal hexagon:46 N·m; N1 max.:23.5 mm;
NNU4996 NTN Tapered Roller BearingAdapter sleeve assembly:SNW 30x5.5/16; Mass pillow block:115 kg; RG:3/4 NPT; Pa:32.7 kN; Ca:82.804 mm; Appropriate attachment bolt size G:1 in; S:4.763 mm; P180°:162 kN; ba:65.088 mm; J min.:431.8 mm; P120°:149 kN; Bearing limiting speed:3000 r/min; P60°:394 kN; Stabilizing ring:SR-30-0; H:320.675 mm; PG:1/4 NPT; J1:95.25 mm; Labyrinth ring:2 x LOR 127; Initial grease fill:623.7 g; P90°:236 kN;
NNU4940K NTN Cylindrical Roller BearingLimiting value e:0.3; F:499 mm; Calculation factor kr:0.17; D:680 mm; s max.:7.2 mm; Mass bearing:211 kg; D1 ≈:616 mm; Fatigue load limit Pu:520 kN; Limiting speed:1300 r/min; Reference speed:800 r/min; da max.:491 mm; db min.:504 mm; Basic static load rating C0:6700 kN; da min.:483 mm; B:163 mm; r1,2 min.:6 mm; Basic dynamic load rating C:3470 kN; ra max.:5 mm; d:460 mm; Da max.:657 mm;
4R2437 NTN Cylindrical Roller Bearingda max.:107 mm; d1 ≈:141.5 mm; Reference speed:2800 r/min; Mass bearing:8.93 kg; r1,2 min.:4 mm; Db min.:179 mm; D:190 mm; Basic dynamic load rating C:540 kN; Da max.:177.5 mm; Dimension series:5GD; T:67.5 mm; ra max.:4 mm; db min.:105.5 mm; a:55.433 mm; Calculation factor e:0.54; Ca min.:7 mm; Calculation factor Y0:0.6; r3,4 min.:3 mm; Limiting speed:3400 r/min; d:90 mm;
NN3984dk:66 mm; w:60 mm; Specific dynamic load factor K:150 N/mm²; d:50 mm; G:M 52x3; B:35 mm; Material constant KM:330; d4 ≈:70 mm; l7 min.:60 mm; α:6 °; Basic dynamic load rating C:236 kN; Mass rod end:4.5 kg; l5 ≈:30 mm; r1 min.:0.6 mm; Basic static load rating C0:270 kN; C1 max.:31 mm; d2 max.:114 mm; h1:195 mm; l3 min.:68 mm; l4 max.:254 mm;
4R3426 NTN Cylindrical Roller BearingD1 ≈:122 mm; s max.:3.5 mm; Limiting speed:7000 r/min; r1,2 min.:1.5 mm; D:140 mm; rb max.:1 mm; db min.:106 mm; Reference speed:6300 r/min; da max.:101 mm; da min.:96 mm; Basic dynamic load rating C:80.9 kN; Mass bearing:1.22 kg; Calculation factor kr:0.1; Basic static load rating C0:104 kN; r3,4 min.:1.1 mm; Fatigue load limit Pu:12.7 kN; B:24 mm; Da max.:133 mm; ra max.:1.5 mm; d:90 mm;
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;
NN3956 NTN Tapered Roller BearingCategory:Take Up Units; Inventory:0.0; Minimum Buy Quantity:N/A; Weight:17.252; Product Group:M06288; Component Description:Take Up Bearing Only; Rolling Element:Spherical Roller Bearing; Housing Style:Unit Only; Mounting Method:Concentric Collar; Compatible Take Up Frame:QMTF; Adjustment Travel Length:0; Insert Part Number:22218; Housing Material:Cast Steel; Other Features:Double Row | Non-expansion | Two Lip Nitrile Rubber Seal | Steel Cage | With Set Screw;
NN3021 NTN Tapered Roller BearingM:15 mm; B:36 mm; Spring washer in accordance with DIN 128:A 12; Mass locking clip:0.076 kg; M3:14 mm; Hexagonal head bolt:M 12x25; M2:28 mm; M1:5 mm;
NNU4980K NTN Cylindrical Roller BearingSpecific static load factor K0:500 N/mm²; r2 min.:1 mm; Basic dynamic load rating C:440 kN; C:28 mm; Design (sliding contact surface combination):Steel/PTFE fabric; Specific dynamic load factor K:300 N/mm²; da min.:50 mm; rb max.:1 mm; Lubricant:Maintenance free &nd; d:45 mm; Mass plain bearing:0.69 kg; r1 min.:0.6 mm; dk:66 mm; Sealing solution:Triple-lip seals; α:14 °; Da min.:66.5 mm;

 

 

No.BrandUEwbLNKC
4R4811NTN - - - - - - - -
NNU493NTN - - - - - - - -
NN3896NTN - - - - - - - -
NN4944NTN - - - - - - - -
NNU4956NTN - - - - - - - -
NN3964KNTN - - - - 700 mm - - -
NNU4864NTN - - - - 628.65 mm - - -
NNU3036NTN - - - - 118 mm14 mm - -
NN3028NTN - - - 4.8 mm - - - 33.325 mm
4R2832NTN - - - - - - - -
NNU3856NTN - - - - - - - -
NN494NTN - - - - - - - -
NNU4984NTN - - - - - - - -
NN4964KNTN - - - - 134 mm17.5 mm - -
4R3433NTN - - - - - - - -
NN4956KNTN - - - - 330.2 mm - - -
NNU38/8NTN - - - - - - - -
4R2906NTN - - - - 279.4 mm - - -
NN3926NTN - - - - - - - -
NNU4926KNTN - - - - - 24 mm - -
NN3021NTN - - - - - - - -
NN4932KNTN - - 30 mm - - - - -
4R3225NTN - - - - 147.625 mm - - -
4R2438NTN46 mm - - - - - - -
NN3938NTN - 673 mm - - - - - -
NN4052NTN - - - - - - - -
4R441NTN - - - - - - - -

 

NN3948 NTN Tapered Roller Bearing Video

 

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