Product Details

NN308 NTN Tapered Roller Bearing

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

Product Features

No.BrandhKBGbaCf
NN3022KNTN - - 45 mm - - - - -
NNU4864NTN - - 160 mm - - - 159 mm -
NN3952NTN45.244 mm - - - - - - -
NNU39/8NTN - - - - - - - -
NN4938NTN - - 205 mm - - - - -
NNU4996KNTN - - 218 mm - 27 mm - 185 mm -
4R3628NTN34.925 mm - - - - - - -
NNU4940KNTN49.212 mm - - - - - - -
NN3196NTN - - 30.2 mm - - - - -
NNU3048NTN - - - - - - - -
NNU4934NTN - - 80 mm - - - - -
NNU4964NTN - - - - - - - -
NNU492NTN40.922 mm - - - - - - -
4R3426NTN - - - - - - - -
NNU4976KNTN - - 49 mmM 72x4 - - - -
4R3821NTN79.375 mm - - - - - - -
NNU4921KNTN - - 317.5 mm - - - - -
NN4960KNTN - - 92 mm - - - - -
NN3044KNTN - - - - - - - -
NNU4948KNTN79.375 mm - - - - - - -

 

NNU4932 NTN Tapered Roller Bearingl7 min.:80 mm; l3 min.:80 mm; l5 ≈:40 mm; d4 ≈:92 mm; G:M 72x4; h1:265 mm; Mass rod end:10.5 kg; d:70 mm; Specific dynamic load factor K:100 N/mm²; l4 max.:349 mm; d2 max.:162 mm; α:6 °; r1 min.:1 mm; w:80 mm; dk:92 mm; Basic static load rating C0:530 kN; Basic dynamic load rating C:315 kN; Material constant KM:330; C1 max.:43 mm; B:49 mm;
NN3984H1:160.35 mm; L:539.75 mm; Cap bolt:7/8-9 UNC; Mass pillow block:117 kg; h:50.8 mm; Cap bolt recommended tightening torque:813.5 N·m; Stabilizing ring:SR-30-0; Cap bolt, SAE grade:8; da:131.762 mm; Eye bolt:2 x 3/8-16 UNC; R1:95.25 mm; RG:3/4 NPT; R2:39.688 mm; A1:158.75 mm; Bearing limiting speed:3000 r/min; S:4.763 mm; ba:65.088 mm; Da:269.999 mm; End plug (suffix Y):EPR 16; Housing:SSAFS 530;
NNU4938KWeight:1.370 kg; Radial Clearance:0.023 to 0.043 mm; da (min):65 mm; D:120 mm; Enclosure:Double Seal; Dynamic Load Rating:71,500 N; Fillet Radius/Chamfer:2 mm; Da (max):110 mm; d:55 mm; Factor fo:13.1; ra (max):2 mm; Limiting Speed - Grease:4,000 rpm; Bore Type:Cylindrical Bore; B:29 mm; Static Load Rating:44,500 N; Configuration:Single Row;
NNU3064 NTN Tapered Roller BearingInside Ring Outside Diameter:101.8 mm; Enclosure:Open; Radial Clearance:0.075 to 0.110 mm; db (max):99 mm; Limiting Speed - Oil:5,000 rpm; db (min):95 mm; B:28 mm; Dynamic Load Rating:120,000 N; r1:2 mm; Bore Type:Cylindrical Bore; Da (max):140 mm; d:85 mm; Static Load Rating:140,000 N; dc (min):104 mm; Configuration:Single Row; Fillet Radius/Chamfer:2 mm; ra1 (max):2 mm; ra (max):2 mm; Limiting Speed - Grease:4,300 rpm;
NNU494 NTN Tapered Roller BearingCap bolt recommended tightening torque:515.2 N·m; P120°:39.1 kN; Stabilizing ring:2 x SR-1617; Ca:69.799 mm; da:71.438 mm; J min.:295.275 mm; ba:52.388 mm; RG:3/8 NPT; H2:44.45 mm; Cap bolt:2 x 3/4-10 UNC; J max.:333.375 mm; PosiTrac Plus contact element:2 x B10724-184; R1:66.675 mm; P180°:42.9 kN; J1:60.325 mm; A1:111.125 mm; End plug (suffix Y):EPR 10; Cap bolt, SAE grade:8; Housing:FSAF 617;
NN4052 NTN Tapered Roller BearingFatigue load limit Pu:114 kN; G1:19 mm; Calculation factor Y1:1.9; b:16.7 mm; B2 ≈:119 mm; Calculation factor Y2:2.9; B:93 mm; Mass bearing + sleeve:30.5 kg; da min.:139 mm; ra max.:3 mm; d1:125 mm; Basic dynamic load rating C:1176 kN; Basic static load rating C0:1320 kN; B1:115 mm; d2 ≈:164 mm; Reference speed:1800 r/min; Calculation factor Y0:1.8; Da max.:263 mm; K:9 mm; Calculation factor e:0.35;
4R4419 NTN Cylindrical Roller BearingWeight:0.023 kg; ra (max):0.3 mm; Static Load Rating:2,390 N; B:8 mm; da (min):14 mm; Radial Clearance:0.011 to 0.025 mm; Da (max):26 mm; d:12 mm; D:28 mm; Factor fo:13.2; Bore Type:Cylindrical Bore; Dynamic Load Rating:5,100 N; Configuration:Single Row; Limiting Speed - Grease:28,000 rpm; Enclosure:Double Seal;
NNU3034KRadial Clearance:0.036 to 0.066 mm; Bore Type:Cylindrical Bore; Da (max):161 mm; ra (max):1 mm; da (min):119 mm; Weight:1.460 kg; Fillet Radius/Chamfer:1 mm; Configuration:Single Row; d:110 mm; B:19 mm; Limiting Speed - Oil:4,500 rpm; Limiting Speed - Grease:3,800 rpm; Dynamic Load Rating:44,000 N; Enclosure:Open; Static Load Rating:45,000 N; D:170 mm; Factor fo:16.5;
NNU38/75 NTN Tapered Roller BearingG3:13 mm; d:600 mm; B1:399 mm; d3:750 mm; G2:G 1/8; B:85 mm; A:8 mm; d1:560 mm; G:Tr 600x6; Mass adapter sleeve assembly:234 kg; Hydraulic nut:HMV 120E; B5:110 mm;
4R4445 NTN Cylindrical Roller Bearingd:5 mm; Permissible sliding velocity v max.:5 m/s; Specific static load factor K0:20 N/mm²; Specific dynamic load factor K:10 N/mm²; Coefficient of friction µ max.:0.1; Coefficient of friction µ min.:0.05; B:8 mm; D1:13 mm; D:9 mm; Mass bushing:0.003 kg; B1:2 mm; Tolerance shaft:h8; Permissible sliding velocity v min.:0.25 m/s; Tolerance housing:H7;
NN394 NTN Tapered Roller BearingA2:171.45 mm; Cap bolt:2 x 1/2-13 UNC; P120°:13.3 kN; Taconite seal:TER 17; ba:25.4 mm; RG:1/8 NPT; Initial grease fill:82.215 g; h:33.337 mm; H:134.938 mm; da:36.513 mm; H2:25.4 mm; Pa:3.4 kN; L:244.475 mm; PG:1/8 NPT; End plug (suffix Y):EPR 3; H1:69.85 mm; R1:38.1 mm; Housing:SAF 609; A1:69.85 mm; Stabilizing ring:2 x SR-1609;
NN3088K NTN Cylindrical Roller BearingA2:193.675 mm; J1:85.725 mm; H2:60.325 mm; P60°:301 kN; PG:1/4 NPT; Housing:SAFS 528; P90°:180 kN; P120°:116 kN; Ca:77.8 mm; Labyrinth ring:2 x LOR 122; Pa:28.5 kN; H:298.45 mm; S:4.763 mm; RG:3/4 NPT; ba:61.119 mm; h:51.594 mm; P180°:127 kN; A1:149.225 mm; H1:152.4 mm; L:511.175 mm;
NNU4956K NTN Cylindrical Roller BearingLimiting speed:3800 r/min; H2:41.275 mm; s:32.941 mm; A:88.9 mm; Basic dynamic load rating C:193 kN; H:144.463 mm; J1:47.625 mm; J min.:209.55 mm; Mass bearing unit:8.62 kg; H1:69.85 mm; da:61.913 mm; J max.:225.425 mm; B:65.484 mm; Attachment bolt diameter G:15.875 mm; S:0.794 mm; L:266.7 mm;
NN3056 NTN Tapered Roller BearingSpecific dynamic load factor K:150 N/mm²; dk:128.016 mm; Mass plain bearing:5.6 kg; Specific static load factor K0:300 N/mm²; ra max.:2 mm; Basic dynamic load rating C:1020 kN; b1:8 mm; da min.:92.7 mm; Design (sliding contact surface combination):Steel/steel; Lubricant:Maintenance free &nd; Basic static load rating C0:2040 kN; b:10.5 mm; da max.:97.5 mm; Material constant KM:330; rb max.:1 mm;

 

 

NN308 NTN Tapered Roller Bearing Video

 

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