Product Details

NNU4921K NSK CYLINDRICAL ROLLER BEARING

Brand Name NSK
Model Number NNU4921K
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

No.BrandEMdNAJGw
NNU4948KNSK - - 31.75 mm12.7 mm34.1 mm116.7 mm - -
NNU4926NSK - - 28.575 mm - - - - -
NN39/53NSK - - 7mm - - - - -
NN3088NSK - - 320 mm - - - - -
NNU4932KNSK - - 17.000 mm - - - - -
NN394NSK - - 45mm - - - - -
NNU49/8NSK - - 50mm - - - - -
NNU4948NSK - - 10.000 mm - - - - -
NN3944NSK - - 8mm - - - - -
NN3076KNSK - - 55mm - - - - -
NNU4052NSK - - 55 mm - - - - -
NN3944KNSK - - - - - - - -
NNU3026NSK - - - - - - - -
NN3196NSK - - 50.000 mm - - - - -
NN3056KNSK - - 8 mm - - - - -
NN4032NSK - - 30mm - - - - -
NN493NSK - - 40 mm - - - - -
NN4984NSK - - - - - - - -
NN4968KNSK - - 170.000 mm - - - - -
NN3056NSK - - 110mm - - - - -

 

NNU4940K NSK CYLINDRICAL ROLLER BEARINGAccessories:Two Shields; Grease Speed Rating n1:16000 rpm; d:10.000 mm; Basic Static Radial Load Rating Co:4300 N; B:14.3 mm; Oil Speed Rating n2:22000 rpm; Basic Dynamic Radial Load Rating C:7610 N; D2R:28.2 mm; Sealed Speed Rating n3:16000 rpm; D:30.0000 mm; Fillet Radius ra:0.64 mm;
NN4934K NSK CYLINDRICAL ROLLER BEARINGD:65mm; Reference Speed Rating (r/min):8000; Weight:0.05 KGS; Limiting Speed Rating (r/min):13000; B:7mm; Fatigue Load Rating (kN):0.265; Cage Type:Brass; Seals or Shields:Open Type; Availability:In Stock; Dynamic Load Rating (kN):6.8; Static Load Rating (kN):6.3; d:50mm; Clearance:Standard; SKU:61810-y-fag;
NNU3026 NSK CYLINDRICAL ROLLER BEARINGda min.:520 mm; s max.:5.6 mm; Da max.:674 mm; Mass bearing:210 kg; Calculation factor kr:0.26; Fatigue load limit Pu:750 kN; Basic dynamic load rating C:3740 kN; D1 ≈:625 mm; da max.:536 mm; r1,2 min.:5 mm; D:694 mm; Reference speed:600 r/min; Basic static load rating C0:9000 kN; F:542 mm; r3,4 min.:16 mm; Limiting speed:900 r/min; ra max.:5 mm; α:20 °; Design variant/feature:NNU.6/C3PW;
NN3122 NSK CYLINDRICAL ROLLER BEARINGBasic Static Radial Load Rating Co:3440 lbf; Insert Bearing IB:Stainless Steel; Diameter N:0.5469 in; Height T:1.8281 in; Distance J:3.6250 in; Shaft Diameter D:1 3/8 in; Dimension L:4.6250 in; Weight W:1.46 lb; Basic Dynamic Radial Load Rating:4560 lbf; Dimension A1:1.3750 in; Dimension A2:0.6563 in; Dimension DA:4.1875 in;
NNU493 NSK CYLINDRICAL ROLLER BEARINGD:13mm; B:4mm; SKU:smr137-2rs-zen; Weight:0.20 KGS; Clearance:Standard; Availability:In Stock; d:7mm; Cage Type:Steel; Seals or Shields:Two Rubber Seals;
NNU4924 NSK CYLINDRICAL ROLLER BEARINGDa max.:105.7 mm; Material constant KM:330; r1 min.:2 mm; b1:8 mm; d:63.5 mm; rb max.:1 mm; M:6.5 mm; α:8 °; Sealing solution:Double-lip seals; da min.:72 mm; Design (sliding contact surface combination):Steel/steel; Basic dynamic load rating C:425 kN; b:9 mm; Lubricant:Regular relubricatio; da max.:76.7 mm; Basic static load rating C0:1270 kN; Da min.:96 mm; ra max.:2 mm; r2 min.:1 mm; dk:100.33 mm;
NNU4932 NSK CYLINDRICAL ROLLER BEARINGSKU:6003-skf; Clearance:Standard; d:17mm; Availability:In Stock; Limiting Speed Rating (r/min):28000; B:10mm; Seals or Shields:Open Type; Weight:0.02 KGS; Static Load Rating (kN):3.25; Condition:New; Reference Speed Rating (r/min):45000; Fatigue Load Rating (kN):0.137; Cage Type:Steel; D:35mm; Dynamic Load Rating (kN):6.37;
NN3038K NSK CYLINDRICAL ROLLER BEARINGLimiting Speed Rating (r/min):7600; Dynamic Load Rating (kN):28.3; Clearance:Standard; Weight:0.02 KGS; B:18mm; SKU:6011-koyo; Fatigue Load Rating (kN):--; Availability:In Stock; d:55mm; Reference Speed Rating (r/min):--; Cage Type:Steel; Seals or Shields:Open Type; D:90mm; Static Load Rating (kN):21.2;
NN496 NSK CYLINDRICAL ROLLER BEARINGThread grub screw G2:M8x1; Basic dynamic load rating C:30.7 kN; Hexagonal key size for grub screw N:4 mm; Mass bearing unit:1.8 kg; Recommended tightening torque for grub screw:6.5 N·m; Housing material:Cast iron; J7:34 mm; A1:14 mm; N4:4 mm; s1:30.2 mm; N:14 mm; Da:115.9 mm; Limiting speed:950 r/min; Fatigue load limit Pu:0.8 kN; J6:118 mm; Recommended diameter for attachment bolts, inch G:0.5 in;
NN3926 NSK CYLINDRICAL ROLLER BEARINGWeight:0.02 KGS; Seals or Shields:Two Rubber Seals; B:14mm; Grease Limiting Speed (r/min):16000; Static Load Rating (kN):4550; Dynamic Load Rating (kN):8130; Cage Type:Plastic; D:30mm; Oil Limiting Speed (r/min):22000; SKU:3200b-2rstn-nsk; Availability:In Stock; d:10mm; Clearance:Standard;
NN4928 NSK CYLINDRICAL ROLLER BEARINGLimiting Speed Rating (r/min):5000; Dynamic Load Rating (kN):60.5; Availability:In Stock; Cage Type:Steel; D:140mm; Clearance:Standard; d:90mm; Static Load Rating (kN):50; Weight:0.02 KGS; Reference Speed Rating (r/min):10000; Seals or Shields:Two Metal Shields; Fatigue Load Rating (kN):1.96; SKU:6018-2z-skf; B:24mm;
NN302 NSK CYLINDRICAL ROLLER BEARINGCage Type:Steel; SKU:22244cck/c4w33-qbl; B:108mm; d:220mm; Clearance:C4; Weight:0.02 KGS; Availability:In Stock; D:400mm; Seals or Shields:Open Type;
NN3021 NSK CYLINDRICAL ROLLER BEARINGAppropriate attachment bolt, size G:30 mm; Q180°:1430 kN; N:42 mm; P90°:2000 kN; Mass housing:187 kg; L:700 mm; Oil level, max.:72 mm; H1:240 mm; P0°:3400 kN; Appropriate attachment bolt, rec. tightening torque:1310 N·m; P150°:1400 kN; A:300 mm; H:474 mm; H2:95 mm; J1:150 mm; Cap bolt, size:M 30x180; J:600 mm; J6:650 mm; Cap bolt, rec. tightening torque:400 N·m; N4 max.:20 mm;
NN4072K NSK CYLINDRICAL ROLLER BEARINGCage Type:Steel; Static Load Rating (kN):2.5; Reference Speed Rating (r/min):25000; Clearance:Standard; Availability:In Stock; d:20mm; D:32mm; Weight:0.02 KGS; Seals or Shields:Two Rubber Seals; Limiting Speed Rating (r/min):21000; B:7mm; SKU:618042rs-timken; Dynamic Load Rating (kN):4;
NN3068K NSK CYLINDRICAL ROLLER BEARINGCoefficient of friction µ max.:0.15; Specific static load factor K0:45 N/mm²; Mass bushing:3.85 kg; Tolerance shaft:e7; Permissible sliding velocity v max.:0.5 m/s; Tolerance housing:H7; Coefficient of friction µ min.:0.08; α:124 °; d:140 mm; h:142 mm; Permissible sliding velocity v min.:0 m/s; B:90 mm; a:4.5 mm; Specific dynamic load factor K:25 N/mm²; D:160 mm;
NN4044K NSK CYLINDRICAL ROLLER BEARINGH2:155 mm; Cap bolt, size:M 42x320; Locating ring:2 x FRB 31.5/780; J:1110 mm; N:70 mm; Ca:248 mm; Cap bolt, rec. tightening torque:850 N·m; Q180°:2900 kN; A1:440 mm; Oil seal:2 x TSD 30/530 U; Q150°:3350 kN; P55°:11200 kN; H1:460 mm; P0°:8800 kN; P90°:5400 kN; s:35 mm; L:1330 mm; A:465 mm; Appropriate attachment bolt, rec. tightening torque:5450 N·m; J6:1210 mm;

 

 

NNU4921K NSK CYLINDRICAL ROLLER BEARING Video

 

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