Product Details

NN4921K NTN Cylindrical Roller Bearing

Brand Name NTN
Model Number NN4921K
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

No.BrandNeDtBkFi
NN3932NTN - - 1400 mm - 490 mm - - -
NN3964KNTN - - 95.000 mm - - - - -
NN3026NTN - - 73.025 mm - 26.543 mm - - -
4R2832NTN - - - - - - - -
NN38/56NTN - - - - - - - -
4R4416NTN - - 460.000 mm - - - - -
4R4037NTN - - - - - - - -
NN49/56NTN - - 150 mm - - - - -
NNU4926KNTN - - - - - - - -
NN3964NTN - - - - - - - -
NNU3044NTN - - - - - - - -
NN4964NTN - - - - - - - -
NN4922NTN - - - - - - - -
NN4921KNTN - - 140 mm - 24 mm - - -
NNU3038NTN - - - - - - - -
NN3056KNTN - - - - - - - -
NNU4944NTN - - - - - - - -
4R4027NTN - - 115 mm - 13 mm - - -
NNU4984NTN - - - - - - - -
NNU4948NTN - - - - - - - -
4R3228NTN - - 340 mm - 112 mm - - -
NN3034NTN - - - - - - - -
NN4956NTN - - - - - - - -
NN3060KNTN - - - - 18 mm - - -

 

NN3956K NTN Cylindrical Roller Bearingda - Inner Ring Backing Diameter:607.000 mm; R - Inner Ring To Clear Radius1:4.000 mm; Reference Thermal Speed Rating (Oil)7:530; B - Outer Ring Width:140.000 mm; e - ISO Factor3:0.16; C0 - Static Radial Rating:7290000 N; Da - Outer Ring Backing Diameter:710.000 mm; Y1 - ISO Factor5:6.27; Bearing Weight:172.400 Kg; D:750.000 mm; Y0 - ISO Factor4:4.21; d:560.000 mm; Cg - Geometry Factor8:0.1099; Design Unit:METRIC;
NN3948K NTN Cylindrical Roller BearingEnd Cover1:EC513-611; Bolt Qty:2; Max Oil Speed:5100; Seal Type:V-ring; Seal:VR311; G:M12; Housing Mass:6.6 Kg; N:15 mm; Housing:FSNT 513-611; J:230 mm; J2:252 mm; H1:80.0 mm; Max Grease Speed:4300; C0 Static Load Rating:284; Material :Cast Iron; C1 Dynamic Load Rating:279; H2:30 mm; Cage Type:EJ; Shaft Diameter da:55 mm; L:275.00 mm;
NNU4864 NTN Tapered Roller BearingDimension L:63.0 in; Bearing Type:Split Cylindrical Re; Dimension K:9.5 in; Dimension H:24.488 in; Shaft Size:560 mm; Cr - Dynamic Load Rating:1077959 lbf; Seal Type:Felt Type; Maximum Speed:280 rpm; Bearing UPC:013992057488; Support Type:Eight-Bolt Plummer B; Cor - Static Load Rating:2115902 lbf; Ca - Axial Load Rating:86012 lbf; Housing Width:19.3 in; Dimension J1:50.0 in; Bearing - Housing - Seal:HSM560BRH;
NN3084 NTN Tapered Roller BearingLimiting Speed - Grease:6,700 rpm; Configuration:Single Row; da (min):71 mm; Weight:0.438 kg; Static Load Rating:25,200 N; Limiting Speed - Oil:8,000 rpm; Fillet Radius/Chamfer:1.1 mm; Dynamic Load Rating:30,500 N; d:65 mm; Factor fo:15.7; ra (max):1 mm; D:100 mm; B:18 mm; Enclosure:Open; Da (max):94 mm; Radial Clearance:0.023 to 0.043 mm; Bore Type:Cylindrical Bore;
NN3144 NTN Tapered Roller BearingShaft Tolerance:0.0020 in; Dimension D Max:9.63 in; Dimension M:2.37 in; Dimension A:3.13 in; Weight:28 lb; Eng Internal Radial Clearance - Min:0.0020; Dimension SAA:4.74 in; Shaft Size  :3 in; Dimension D Min:7.88 in; Pre Install Clearance Max:0.0031 in; Pre Install Clearance Min:0.0020 in; Dimension C:4.29 in; Dimension RAA:0.87 in; Dimension F:11.63 in; Grease Lubrication - M/N Seal:1600 rpm;
4R5306 NTN Cylindrical Roller Bearingr - Outer Ring To Clear Radius3:1.0 mm; Limiting Speed (Grease):10080 rpm; Contact Angle:15 º; Ce - Dynamic Radial Rating1:48400 N; D:150 mm; Bearing Weight:0.920 Kg; Cage Type:CR - Phenolic Outer; d:110 mm; da - Inner Ring Backing Diameter:119.500 mm; C0 - Static Radial Rating:46000 N; Design Units:METRIC; R - Inner Ring To Clear Radius2:1.0 mm; Ball Type:Ceramic; Limiting Speed (Oil):20160 rpm;
NN3052K NTN Cylindrical Roller BearingAb - Cage-Cone Frontface Clearance:3 mm; Cage Type:Stamped Steel; Bearing Weight:5.2 Kg; Series:32028XM; G1 - Heat Generation Factor (Roller-Raceway):374.2; Db - Cup Backface Backing Diameter:193.04 mm; K - Factor7:1.27; da - Cone Frontface Backing Diameter:150.88 mm; R - Cone Backface To Clear Radius1:6.600 mm; r - Cup Backface To Clear Radius2:2.03 mm; a - Effective Center Location3:1.5 mm; B - Cone Width:45 mm;
NN4964 NTN Tapered Roller BearingPillow/Plummer Block Style:Split Cylindrical Ho; Support Type:Two-Bolt Plummer Blo; Dimension H:4.921 in; Cor - Static Load Rating:79358 lbf; Maximum Speed:2520 rpm; Dimension M:4.0 in; Dimension H1:2.0 in; Cr - Dynamic Load Rating:66768 lbf; Weight:76 lb; Note:This product line wa; Dimension H2:10.7 in; Dimension L:16.5 in; Bearing - Housing - Seal:MSE307BXHRSS; Bearing Number:MSE307BX; Housing Width:6.0 in;
NN3938 NTN Tapered Roller BearingShaft Size:6 in; Dimension V:0.3 in; Dimension H:5.4 in; Ca - Axial Load Rating:15602 lbf; Dimension L:10.0 in; Series Type:Heavy Series; Maximum Speed:1220 rpm; Bolt Size:4 x M24; Support Type:Round Flange; Bearing Type:Split Cylindrical Re; Seal Type:High Temperature Pac; Dimension N:19.502 in; Dimension T:25.5 in; Bearing UPC:013992023186; Bearing - Housing - Seal UPC:013992066725; Cr - Dynamic Load Rating:233127 lbf;
NNU4952 NTN Tapered Roller BearingK - Factor8:1.3; Aa - Cage-Cone Backface Clearance:0.09 in; G2 - Heat Generation Factor (Rib-Roller End):27; Ca90 - Dynamic Thrust Rating (90 million revolutions)7:4600 lbf; R - Cone Backface To Clear Radius3:0.080 in; Series:34000; a - Effective Center Location4:0.06 in; Ab - Cage-Cone Frontface Clearance:0.1 in; B - Cone Width:0.9060 in; Cone Part Number:34300A; C90 - Dynamic Radial Rating (90 million revolutions)5:5960 lbf;
NNU4992 NTN Tapered Roller BearingEng Internal Radial Clearance - Min:0.0047; Grease Lubrication - B/C/O Seal:350 rpm; Weight:395 lb; Dimension G:7.5000 in; Shaft Size Type:Imperial; Y2 - Geometry Factor:3.09; Eng Internal Radial Clearance - Max:0.0071; Locking Style:Eccentric; Dimension R:0.22 in; Bearing Number:23234; e - Geometry Factor:0.33; Oil Lubrication - B/C/O Seal:350 rpm; Dimension D Min:21.63 in; Dimension S:8.430 in; Dimension B:15.75 in;
NNU38/8 NTN Tapered Roller BearingCone Part Number:26118; D:71.999 mm; a - Effective Center Location3:-4.1 mm; e - ISO Factor8:0.36; Cage Type:Stamped Steel; db - Cone Backface Backing Diameter:38.10 mm; Aa - Cage-Cone Backface Clearance:0 mm; K - Factor7:1.62; Cup Part Number:26283; B - Cone Width:18.923 mm; C1 - Dynamic Radial Rating (1 million revolutions)5:15700 lbf; Design Units:Imperial; Series:26000; d:29.987 mm; G2 - Heat Generation Factor (Rib-Roller End):10.1;
NN494 NTN Tapered Roller BearingGroove Width:3.1 mm; Enclosure:Open; d:80 mm; Bore Type:Cylindrical Bore; Fillet Radius/Chamfer:1.1 mm; Cy (max):5.3 mm; Groove Diameter:120.2 mm; Radial Clearance:0.025 to 0.051 mm; da (min):86 mm; Limiting Speed - Oil:6,300 rpm; ra (max):1 mm; Limiting Speed - Grease:5,300 rpm; Da (max):119 mm; Dynamic Load Rating:47,500 N; B:22 mm; Weight:0.825 kg; D:125 mm; r1:0.5 mm; Configuration:Single Row;
NN4952 NTN Tapered Roller BearingBore Type:Cylindrical Bore; B:80 mm; ra (max):4 mm; ra1 (max):4 mm; Limiting Speed - Grease:1,200 rpm; Dynamic Load Rating:1,140,000 N; Da (max):478 mm; d:280 mm; db (min):302 mm; Limiting Speed - Oil:1,400 rpm; Enclosure:Open; Configuration:Single Row; dd (min):365 mm; Static Load Rating:1,680,000 N; Weight:71.500 kg; r1:5 mm; D:500 mm; Fillet Radius/Chamfer:5 mm; Radial Clearance:0.125 to 0.195 mm;
NN4921 NTN Tapered Roller BearingPillow/Plummer Block Style:Split Cylindrical Ho; Dimension H2:42.3 in; Bearing UPC:013992057136; Bearing - Housing - Seal:HSM440BXHRSS; Dimension L:50.0 in; Housing Width:17.3 in; Maximum Speed:360 rpm; Dimension J2:27.2 in; Dimension H:20.000 in; Dimension K:8.3 in; Shipping Weight:4086 lb; Cor - Static Load Rating:1433607 lbf; Seal Type:Viton Single Lip; Bearing Number:HSM440BX; Dimension J1:39.0 in;
NN3068 NTN Tapered Roller BearingGrease Lubrication - B/C/O Seal:600 rpm; Dimension L:5.45 in; Shaft Size Type:Imperial; Y2 - Geometry Factor:4.06; Bearing Number:22222; Oil Lubrication - B/C/O Seal:600 rpm; Grease Lubrication - T Seal:1200 rpm; Eng Internal Radial Clearance - Max:0.0067; Dimension D Max:15.56 in; C0 - Static Load:147000 lb; Housing Style:Four-Bolt Pillow Blo; e - Geometry Factor:0.25; Full Timken Part Number:QVVPK22V311SB;

 

 

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