Product Details

NN4948K NSK CYLINDRICAL ROLLER BEARING

Brand Name NSK
Model Number NN4948K
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

 

NN3196 NSK CYLINDRICAL ROLLER BEARINGMass pillow block:15.4 kg; P90°:49.8 kN; J min.:244.475 mm; R2:21.431 mm; Cap bolt:2 x 5/8-11 UNC; End plug (suffix Y):EPR 12; PG:1/8 NPT; A2:208.756 mm; Cap bolt recommended tightening torque:149.1 N·m; P120°:30.2 kN; Appropriate attachment bolt size G:0.75 in; RG:3/8 NPT; Ca:42.799 mm; Cap bolt, SAE grade:5; P180°:31.6 kN; N1:22.225 mm; L:330.2 mm; Initial grease fill:175.77 g;
NNU48/71 NSK CYLINDRICAL ROLLER BEARINGFatigue load limit Pu:3.55 kN; Reference speed:20000 r/min; Basic dynamic load rating C:22 kN; Fw:18 mm; Limiting speed:24000 r/min; Basic static load rating C0:29 kN; Ew:25 mm; U:22 mm; Mass needle roller and cage assembly:0.023 kg;
NN3048K NSK CYLINDRICAL ROLLER BEARINGAccessories:One Seal; Fillet Radius ra:2.00 mm; B:61.90 mm; d:65.000 mm; Basic Static Radial Load Rating Co:163000 N; Grease Speed Rating n1:3200 rpm; Oil Speed Rating n2:4300 rpm; D:140.0000 mm; Basic Dynamic Radial Load Rating C:154000 N; Sealed Speed Rating n3:3200 rpm;
NN3160K NSK CYLINDRICAL ROLLER BEARINGRG:3/8 NPT; Labyrinth ring:2 x LOR 123; L:511.175 mm; Cap bolt, SAE grade:8; P150°:66.7 kN; P90°:116 kN; PosiTrac Plus contact element:2 x B10724-122; Initial grease fill:850.5 g; J max.:434.975 mm; N1:28.575 mm; P60°:193 kN; Eye bolt:3/8-16 UNC; Appropriate attachment bolt size G:1 in; J1:85.725 mm; P120°:73.8 kN; Cap bolt recommended tightening torque:515.2 N·m; Max. speed for PosiTrac Plus seal:1150 r/min;
NNCF4964V NSK CYLINDRICAL ROLLER BEARINGCap bolt, SAE grade:5; ba:30.163 mm; P180°:30.2 kN; Mass pillow block:13.1 kg; P150°:25.4 kN; H1:82.55 mm; J max.:244.475 mm; h:31.75 mm; da:60.325 mm; Da:130 mm; Pa:5.65 kN; Housing:SAF 515; A1:79.375 mm; H2:28.575 mm; Cap bolt recommended tightening torque:81.3 N·m; P60°:75.6 kN; PG:1/8 NPT; R1:46.038 mm; Initial grease fill:136.08 g; Appropriate attachment bolt size G:0.625 in;
NCF1840V NSK CYLINDRICAL ROLLER BEARINGBasic Static Radial Load Rating Co:49000 N; Grease Speed Rating n1:3200 rpm; Fillet Radius ra:2.00 mm; Basic Dynamic Radial Load Rating C:135000 N; Oil Speed Rating n2:3800 rpm; B:58.00 mm; d:80.000 mm; D:170.0000 mm;
NNCF5064V NSK CYLINDRICAL ROLLER BEARINGGrease Speed Rating n1:20000 rpm; B:18.00 mm; Oil Speed Rating n2:28000 rpm; Basic Dynamic Radial Load Rating C:34500 N; d:40.000 mm; Basic Static Radial Load Rating Co:25000 N; D:80.0000 mm; Fillet Radius rb:0.60 mm; Fillet Radius ra:1.00 mm;
NNCF4852V NSK CYLINDRICAL ROLLER BEARINGAttainable speed for grease lubrication:48000 r/min; Calculation factor (back-to-back, face-to-face) Y1:0.92; Calculation factor (back-to-back, face-to-face) Y2:1.41; Preload class C GC:390 N; r1,2 min.:0.6 mm; Number of balls z:12; Calculation factor (single, tandem) Y2:0.87; Calculation factor e:0.68; d2:24.8 mm; Calculation factor f2C:1.06; da max.:26.2 mm; Fatigue load limit Pu:0.137 kN; Static axial stiffness, preload class C:102 N/µm;
NCF30/560V NSK CYLINDRICAL ROLLER BEARINGShaft Diameter D:25 mm; Width A:32.0 mm; Distance JMIN:99.5 mm; Dimension H1:36.5 mm; Distance JMAX:110.5 mm; Insert Bearing IB:ZMaRC; Basic Static Radial Load Rating Co:7800 N; Dimension N1:11.5 mm; Height H:70.5 mm; Dimension L:134.0 mm; Dimension H2:16.0 mm; Dimension S1:19.8 mm; Dimension N:17.0 mm; Basic Dynamic Radial Load Rating C:14000 N; Dimension A1:22.0 mm; Weight W:0.29 kg;
NCF2960V NSK CYLINDRICAL ROLLER BEARINGdb min.:1099 mm; b:22.3 mm; r3,4 min.:6 mm; da min.:997 mm; Da max.:1474 mm; Calculation factor kr:0.37; ra max.:5 mm; d:950 mm; Basic static load rating C0:57000 kN; Limiting speed:340 r/min; F:1087 mm; B:545 mm; D:1500 mm; s max.:23.2 mm; Fatigue load limit Pu:3550 kN; K:12 mm; rb max.:5 mm; Basic dynamic load rating C:25500 kN; r1,2 min.:12 mm; D1 ≈:1338 mm;
NN49/630K NSK CYLINDRICAL ROLLER BEARINGJ1:139.7 mm; Initial grease fill:3515.4 g; P120°:169 kN; Housing:SAF 340; J max.:749.3 mm; h:87.313 mm; R1:163.512 mm; db:222.25 mm; N1:41.275 mm; P180°:185 kN; Bearing limiting speed:1500 r/min; P60°:449 kN; Cap bolt recommended tightening torque:1017 N·m; Mass pillow block:351 kg; Appropriate attachment bolt size G:1.5 in; A2:315.119 mm; Ca:147.803 mm; H1:250.825 mm; P150°:151 kN;
NNCF5038V NSK CYLINDRICAL ROLLER BEARINGD:460.0000 mm; Oil Speed Rating n2:1600 rpm; Fillet Radius ra:4.00 mm; Fillet Radius rb:1.50 mm; d:220.000 mm; Basic Dynamic Radial Load Rating C:637000 N; Basic Static Radial Load Rating Co:950000 N; B:88.00 mm; Grease Speed Rating n1:1300 rpm;
NN4048K NSK CYLINDRICAL ROLLER BEARINGh:28.575 mm; R2:21.431 mm; L:285.75 mm; Appropriate attachment bolt size G:0.625 in; Ca:37.008 mm; PG:1/8 NPT; N1:19.05 mm; P60°:75.6 kN; J min.:219.075 mm; da:63.5 mm; P90°:45.4 kN; Cap bolt recommended tightening torque:81.3 N·m; S:3.175 mm; A1:79.375 mm; H1:82.55 mm; Taconite seal:TER 38; A2:193.675 mm; End plug (suffix Y):EPR 7; ba:32.544 mm; RG:1/4 NPT;
NNU4952K NSK CYLINDRICAL ROLLER BEARINGBasic dynamic load rating C:127 kN; d1 ≈:478.5 mm; Limiting speed:1500 r/min; D1 ≈:441.5 mm; Fatigue load limit Pu:17 kN; ra max.:1 mm; Da max.:456 mm; Mass bearing (including seat washer where applicable):5.85 kg; r1,2 min.:1 mm; H:30 mm; Minimum load factor A:4.4; d:440 mm; Basic static load rating C0:915 kN; da min.:464 mm; Reference speed:1100 r/min; D:480 mm;
NNU49/530K NSK CYLINDRICAL ROLLER BEARINGDb:35.6 mm; ra max.:0.3 mm; D:47 mm; r1,2 min.:0.3 mm; Limiting speed:13000 r/min; Reference speed:11000 r/min; Mass bearing:0.078 kg; Fatigue load limit Pu:4.5 kN; Basic dynamic load rating C:23.3 kN; Basic static load rating C0:37.5 kN; da:41.4 mm; Da:42.5 mm; C:16 mm; Fw:35 mm; E:42 mm;
NNCF5052V NSK CYLINDRICAL ROLLER BEARINGB:31 mm; Bearing:YAR 204-012-2RF/VE49; d:19.05 mm; Limiting speed:5000 r/min; B4:4.5 mm; Recommended diameter for attachment bolts, inch G:0.375 in; s1:18.3 mm; H:112 mm; Hexagonal key size for grub screw N:3.175 mm; A:29.5 mm; Recommended tightening torque for grub screw:4 N·m; Basic static load rating C0:6.55 kN; A1:15 mm; Recommended diameter for attachment bolts, mm G:10 mm; Housing material:Composite for food a;

 

 

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NN4948K NSK CYLINDRICAL ROLLER BEARING Video

 

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