Product Details

NN308 NTN Tapered Roller Bearing

Brand Name NTN
Model Number NN308
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

 

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;
NN4944 NTN Tapered Roller BearingFatigue load limit Pu:3650 kN; Reference speed:75 r/min; d:1060 mm; r1,2 min.:9.5 mm; d1:1395 mm; Minimum axial load factor A:400; B:77.5 mm; D:1400 mm; H:265 mm; da min.:1340 mm; Basic dynamic load rating C:12000 kN; D1:1063 mm; Limiting speed:150 r/min; Basic static load rating C0:71000 kN; ra max.:8 mm; Mass bearing:1150 kg; Da max.:1120 mm;
NNU4926KN:24 mm; A1:110 mm; N1:18 mm; da:85 mm; J6:348 mm; Housing:FSNL 520-617 RU; Da:180 mm; Q180°:310 kN; H2:40 mm; P180°:310 kN; Oil seal:2 x TSN 317 U; J:320 mm; A2:181 mm; H:218 mm; P55°:620 kN; db:100 mm; P150°:250 kN; Appropriate attachment bolt, rec. tightening torque:200 N·m; Cap bolt, rec. tightening torque:200 N·m; P90°:370 kN;
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;
NN3052KB:2.5 mm; d2:98 mm; M:66.5 mm; Mass lock washer:0.053 kg; d1:85 mm; d:70 mm; f:8 mm;
NN393 NTN Tapered Roller BearingT:55.5 mm; J:111 mm; RG:1/4-28 UNF; J7:35.5 mm; N4:4 mm; Recommended tightening torque for grub screw:16.5 N·m; SWN:7 mm; DN:6.5 mm; Thread grub screw G2:3/8-24 UNF; Db1:107 mm; d:44.45 mm; N:18 mm; Basic static load rating C0:23.2 kN; s1:32.6 mm; Db2:118 mm; Da:125.4 mm; Hexagonal key size for grub screw N:4.763 mm; A3:3.2 mm; Limiting speed:4000 r/min; J6:129 mm;
NN3022 NTN Tapered Roller BearingBasic dynamic load rating C:190 kN; Limiting speed:8000 r/min; Limiting value e:0.2; Reference speed:4800 r/min; ra max.:2 mm; D1 ≈:131.05 mm; Mass bearing:2.15 kg; Axial load factor Y:0.6; d1 ≈:107 mm; Calculation factor kr:0.23; D:150 mm; r3,4 min.:2 mm; r1,2 min.:2 mm; da min.:96 mm; Da max.:138.5 mm; Fatigue load limit Pu:25 kN; F:100.5 mm; d:85 mm; Basic static load rating C0:200 kN;
4R4426 NTN Cylindrical Roller BearingP180°:31.6 kN; End plug (suffix Y):EPR 8; R1:53.181 mm; ba:30.163 mm; Stabilizing ring:2 x SR-1516; Labyrinth ring:2 x LOR 43; P150°:26.7 kN; J max.:279.4 mm; Cap bolt:2 x 5/8-11 UNC; J min.:244.475 mm; Cap bolt, SAE grade:5; da:66.675 mm; R2:21.431 mm; Pa:6.23 kN; h:49.212 mm; Appropriate attachment bolt size G:0.75 in; N1:22.225 mm; Mass pillow block:16.4 kg; P90°:49.8 kN; H:169.863 mm;
NNU4936K NTN Cylindrical Roller BearingOil:237.810 kN; Static (Cor):16.7 mm; with cylindrical bore:900 min-1; D:400 mm; Grease:2790 kN; Dynamic (Cr):9 mm; Pu:1580 kN; rs (min):4 mm; d:260 mm; B:104 mm; with tapered bore:1 200 min-1;
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;
4R4807 NTN Cylindrical Roller BearingCap bolt:4 x 7/8-9 UNC; Cap bolt recommended tightening torque:271.2 N·m; Cap bolt, SAE grade:5; J max.:635 mm; J min.:571.5 mm; L:749.3 mm; Eye bolt:2 x 1/2-13 UNC; H2:85.725 mm; Da:359.999 mm; R2:42.862 mm; P150°:120 kN; Labyrinth ring:2 x LOR 550; R1:122.237 mm; A2:285.75 mm; H1:209.55 mm; Pa:66.7 kN; P90°:218 kN; PG:1/4 NPT; PosiTrac Plus contact element:2 x B10724-552; RG:1 NPT;
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;
NNU303 NTN Tapered Roller BearingBasic static load rating C0:400 kN; α:6 °; l5 ≈:35 mm; l7 min.:70 mm; Mass rod end:7.1 kg; Basic dynamic load rating C:245 kN; B:44 mm; G:M 52x3; dk:80 mm; C1 max.:39 mm; d4 ≈:82 mm; d2 max.:137 mm; r1 min.:1 mm; w:70 mm; h1:175 mm; l3 min.:70 mm; Material constant KM:330; l4 max.:246 mm; d:60 mm; Specific dynamic load factor K:100 N/mm²;
NN3038 NTN Tapered Roller BearingP180°:30.7 kN; J min.:215.9 mm; PosiTrac Plus contact element (db shaft position):B10724-79; J max.:247.65 mm; PG:1/8 NPT; S:3.175 mm; H1:82.55 mm; da:75 mm; P90°:45.4 kN; Ca:37.008 mm; dc:71.438 mm; Cap bolt recommended tightening torque:149.1 N·m; Mass pillow block:14.1 kg; P150°:25.4 kN; ba:32.544 mm; Max. speed for PosiTrac Plus seal:1450 r/min; Labyrinth ring (db shaft position):LOR 79;
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;
4R3224 NTN Cylindrical Roller BearingN1:28.575 mm; db:198.438 mm; A1:180.975 mm; ba:75.406 mm; Max. speed for Taconite seal:390 r/min; J min.:530.225 mm; End plug (suffix Y):EPR 21; P180°:89 kN; P120°:84.5 kN; Mass pillow block:130 kg; J1:117.475 mm; L:679.45 mm; Taconite seal (db shaft position):TER 165; H:377.825 mm; Stabilizing ring:SR-36-30; J max.:600.075 mm; Cap bolt recommended tightening torque:203.4 N·m; H2:76.2 mm;

 

 

No.BrandUEwbLNKC
4R4819NTN - - - - - - - -
4R461NTN - - - - - - - -
NN4926KNTN - - - - - - - -
NN49/56NTN - - - - - - - -
NNU48/600NTN - - - - - - - -
4R4426NTN - - - - - - - -
4R4804NTN - - - - 304.8 mm - - -
NN394NTN - - - - - - - -
NN3052NTN - - - - - - - -
4R3232NTN - - - - - - - -
NNU4926KNTN - - - - - 24 mm - -
NN496NTN - - - - - - - -
NNU4968KNTN - - - - - - - -
NNU4052NTN - - - - 304.8 mm - - -
NN3896NTN - - - - - - - -
NN3084KNTN - - - - - - - 17.5 mm
NNU3048NTN - - - - - - 7.5 mm -
4R4413NTN - mm - 12 mm - - - -
NNU4944KNTN - - 90 mm - - - - -
NN3024KNTN - - - - - - - -
NN3048NTN - - - - 95 mm12.3 mm - -
NN4944KNTN - - - - - - - -

 

NN308 NTN Tapered Roller Bearing Video

 

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