Product Details

NN3948K NTN Cylindrical Roller Bearing

Brand Name NTN
Model Number NN3948K
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

 

NN3144 NTN Tapered Roller Bearingr2s (min):0.3 mm; a:12 mm; d2:25 mm; Dynamic (Ca):24.2 kN; T:15 mm; Static (Coa):28.7 kN; rs (min):0.6 mm; Pu:3.500 kN; B:15 mm; D:47 mm; r1s (min):0.6 mm; C:11.5 mm;
4R3431 NTN Cylindrical Roller Bearingdb min.:338 mm; d1:300 mm; d3:400 mm; r1,2 min.:5 mm; Fatigue load limit Pu:440 kN; Mass bearing + sleeve:192 kg; Limiting speed:260 r/min; D:540 mm; Basic static load rating C0:6100 kN; Calculation factor Y0:2.2; B5:56 mm; Basic dynamic load rating C:3929 kN; D1 ≈:483 mm; d2 ≈:361 mm; B1:226 mm; B2:42 mm; Da max.:520 mm; Calculation factor e:0.3; b:22.3 mm; da max.:361 mm;
NNU4976K NTN Cylindrical Roller BearingMass plain bearing:17.5 kg; Design (sliding contact surface combination):Steel/steel, heavy-d; da min.:161 mm; Da max.:213.5 mm; rb max.:1.1 mm; D:222.25 mm; Specific static load factor K0:300 N/mm²; Lubricant:Regular relubricatio; r2 min.:1.1 mm; b1:11 mm; ra max.:1 mm; Basic static load rating C0:5200 kN; C:104.775 mm; α:5 °; Sealing solution:Triple-lip seals; r1 min.:1 mm; dk:207.162 mm;
NNU4928KStatic (Cor):12240  ; d:630 mm; Weight:630  ; B1:212 mm; Pu:807.560 kg; B:310 mm; Dynamic (Cr):5922 kN; Bearing designation:PLC 512-51  ; D:920 mm;
NNU4976 NTN Tapered Roller BearingAppropriate attachment bolt size G:1 in; h:60.325 mm; Taconite seal:TER 657; R2:39.688 mm; A1:158.75 mm; R1:95.25 mm; da:101.6 mm; Mass pillow block:93.5 kg; Initial grease fill:623.7 g; N1:28.575 mm; ba:67.469 mm; J max.:463.55 mm; Eye bolt:2 x 3/8-16 UNC; L:539.75 mm; J1:95.25 mm; Cap bolt:4 x 3/4-10 UNC; P150°:80.1 kN; Da:259.999 mm; H1:160.325 mm; P180°:96.1 kN;
NN3056 NTN Tapered Roller BearingL:349.25 mm; End plug (suffix Y):EPR 11; H:196.85 mm; R1:60.325 mm; RG:3/8 NPT; P150°:54.3 kN; Housing:FSAFS 518; P90°:94.3 kN; J1:53.975 mm; Cap bolt recommended tightening torque:149.1 N·m; ba:40.481 mm; Cap bolt, SAE grade:8; J min.:263.525 mm; P60°:157 kN; h:38.1 mm; Ca:49.809 mm; Stabilizing ring:SR-18-15; S:4.763 mm; P120°:59.6 kN; P180°:64.9 kN;
NNU49/560K NTN Cylindrical Roller BearingMax. speed for PosiTrac Plus seal:2350 r/min; S:4.763 mm; Housing:SAF 615; A2:149.225 mm; Stabilizing ring:SR-18-15; R2:27.94 mm; N1:22.225 mm; J max.:295.275 mm; End plug (suffix Y):EPR 7; P150°:40.5 kN; Ca:64.795 mm; L:349.25 mm; Cap bolt, SAE grade:8; R1:60.325 mm; h:40.481 mm; PosiTrac Plus contact element:2 x B10724-37; RG:3/8 NPT; P120°:45.4 kN; P90°:72.5 kN; J min.:263.525 mm;
NNU3036 NTN Tapered Roller Bearingd:36.513 mm; Mass bearing unit:1.3 kg; Limiting speed:1100 r/min; Recommended diameter for attachment bolts, inch G:0.5 in; A3:3.2 mm; Hexagonal key size for grub screw N:3 mm; Fatigue load limit Pu:0.655 kN; Basic dynamic load rating C:25.5 kN; Basic static load rating C0:15.3 kN; N4:4 mm; RG:1/4-28 UNF; N:14 mm; Housing material:Cast iron; Db1:87 mm; Da:106.4 mm; A:34.5 mm; L:118 mm; J7:29 mm; Recommended diameter for attachment bolts, mm G:12 mm;
NN3072K NTN Cylindrical Roller BearingPreload class B GB:266 N; D1:82.32 mm; Static axial stiffness, preload class B:84 N/µm; d2:70.7 mm; rb max.:0.3 mm; d1:72.75 mm; Static axial stiffness, preload class A:53 N/µm; Number of balls z:24; Preload class A GA:89 N; D:90 mm; d:65 mm; C1:6.5 mm; Static axial stiffness, preload class C:116 N/µm; Attainable speed for grease lubrication:24000 r/min; Preload class C GC:532 N;
NN3032K NTN Cylindrical Roller BearingD:42 mm; Mass plain bearing:0.15 kg; ra max.:0.3 mm; Lubricant:Maintenance free &nd; d:20 mm; Basic dynamic load rating C:137 kN; Sealing solution:Triple-lip seals; da min.:22.9 mm; Basic static load rating C0:228 kN; α:17 °; Da min.:36.9 mm; Design (sliding contact surface combination):Steel/PTFE fabric; Specific dynamic load factor K:300 N/mm²; Specific static load factor K0:500 N/mm²;
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;
4R3031 NTN Cylindrical Roller Bearingr1,2 min.:6 mm; B:41 mm; Mass shaft washer:32.2 kg; d:220 mm; d1:420 mm;
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;
NNU4948 NTN Tapered Roller Bearingda min.:147 mm; Basic static load rating C0:1460 kN; Reference speed:1000 r/min; Limiting speed:2000 r/min; ra max.:2 mm; Minimum axial load factor A:0.171; H:48 mm; D:150 mm; d:70 mm; Mass bearing:4.18 kg; d1:150 mm; Da max.:78 mm; Fatigue load limit Pu:150 kN; Basic dynamic load rating C:380 kN; r1,2 min.:2 mm; D1:73 mm; B:16 mm;
NN304 NTN Tapered Roller BearingFatigue load limit Pu:8650 kN; Thrust factor K:1.77; Design variant/feature:TQO.1/GWI; Basic static load rating C0:176000 kN; Calculation factor Y1:2; Comparative radial load rating CF:12200 kN; r1,2 min.:5 mm; Calculation factor Y0:2; Calculation factor e:0.33; B:1080 mm; d:1580 mm; Basic dynamic load rating C:45700 kN; Comparative axial load rating CFa:2010 kN; Calculation factor Y2:3; Mass bearing:7800 kg;
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;

 

 

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NN4926KNTN - - - - - - - -
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NNU3856NTN - - - - - - - -
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NN3068NTN - 1635 mm - - - - - -
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4R383NTN - - - - - - - -
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NN3934KNTN - - - - 83 mm - - -
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NNU49/560KNTN - - - - 349.25 mm - - -
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NN4934KNTN - - - - - - - -
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4R3036NTN - - - - 640 mm42 mm - -
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4R4425NTN - - - - - - - -

 

NN3948K NTN Cylindrical Roller Bearing Video

 

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