Product Details

7021 KOYO Single-row, matched pair angular contact ball bearings

Brand Name KOYO
Model Number 7021
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

Bearing designation6008  
ra1 max
Static (Cor)11.493 kN
Pu0.522 kN
Weight0.191 kg
Dynamic (Cr)16.824 kN
B15 mm
da44 min
d40 mm
rs1 mm
D68 mm
Grease9 400 min-1
Oil11 000 min-1
Da63 max

7021 KOYO Single-row, matched pair angular contact ball bearings Interchange Guide

No.BrandDBCbKdaB1
7021CYSD160 mm26 mm80 kN - - 105 mm - -
7021 ALoyal160 mm26 mm79,8 kN - - 105 mm51,8 mm -
7021 A-UDLoyal160 mm - 130 kN - - 105 mm - 52 mm
7021 A-UOLoyal160 mm - 130 kN - - 105 mm103,7 mm52 mm
7021 A-UXLoyal160 mm - 130 kN - - 105 mm51,7 mm52 mm
7021 ACD/HCP4ASKF160 mm26 mm - - - 105 mm44 mm -
7021 ACD/HCP4AH1SKF160 mm26 mm - - 0.5 mm105 mm44 mm -
7021 ACD/HCP4ALSKF160 mm26 mm - 2.4 mm - 105 mm44 mm -
7021 ACD/P4ASKF160 mm26 mm - - - 105 mm44 mm -
7021 ACD/P4AH1SKF160 mm26 mm - - 0.5 mm105 mm44 mm -
7021 ACD/P4ALSKF160 mm26 mm - 2.4 mm - 105 mm44 mm -

 

NU2228 KOYO Single-row cylindrical roller bearingsGrease Speed Rating Open/Shielded n1:2400 rpm; Fillet Radius ra:2.00 mm; Basic Static Radial Load Rating Co:104000 N; Basic Dynamic Radial Load Rating C:93600 N; Oil Speed Rating Open/Shielded n2:3000 rpm; Sealed Speed Rating n3:1600 rpm; d:170.000 mm; D:230.0000 mm; Accessories:One Seal; B:28.00 mm
N23 KOYO Single-row cylindrical roller bearingsB:52.00 mm; D:160.0000 mm; Fillet Radius rb:1.00 mm; d:105.000 mm; Grease Speed Rating n1:7400 rpm; Fillet Radius ra:2.00 mm; Oil Speed Rating n2:10000 rpm; Basic Static Radial Load Rating Co:180000 N; Basic Dynamic Radial Load Rating C:138000 N;
NU2228R KOYO Single-row cylindrical roller bearingsSpecific dynamic load factor K:10 N/mm²; d:45 mm; Specific static load factor K0:20 N/mm²; Coefficient of friction µ min.:0.05; B:35 mm; Coefficient of friction µ max.:0.1; Tolerance shaft:h8; Permissible sliding velocity v max.:5 m/s; D:51 mm; Mass bushing:0.098 kg; Permissibl
NU233 KOYO Single-row cylindrical roller bearingsFillet Radius ra:3.00 mm; B:144.00 mm; Grease Speed Rating n1:1400 rpm; d:170.000 mm; Oil Speed Rating n2:1700 rpm; Basic Static Radial Load Rating Co:1140000 N; Fillet Radius rb:1.00 mm; Basic Dynamic Radial Load Rating C:715000 N; D:360.0000 mm;
NU330R KOYO Single-row cylindrical roller bearingsd:55.000 mm; Oil Speed Rating n2:5000 rpm; Grease Speed Rating n1:3800 rpm; D:120.0000 mm; Fillet Radius ra:2.00 mm; Basic Dynamic Radial Load Rating C:119000 N; B:52.40 mm; Basic Static Radial Load Rating Co:122000 N; Sealed Speed Rating n3:3800 rpm; Accessories:One Shield;
NU2328R KOYO Single-row cylindrical roller bearingsFatigue load limit Pu:1.5 kN; Fw:16 mm; Basic dynamic load rating C:11 kN; Basic static load rating C0:12.5 kN; U:12 mm; Limiting speed:26000 r/min; Reference speed:22000 r/min; Mass needle roller and cage assembly:0.01 kg; Ew:22 mm;
N33 KOYO Single-row cylindrical roller bearingsP180°:4000 kN; Locating ring:2 x FRB 10/720; P120°:3600 kN; P150°:3100 kN; Appropriate attachment bolt, size G:42 mm; A:455 mm; N1:48 mm; Cap bolt, size:M 42x280; P55°:10000 kN; Q150°:3350 kN; Oil level, max.:128 mm; Bearing (basic designation):23188 K; Eye bolt, size:2 x M 42; A
NU223 KOYO Single-row cylindrical roller bearingsStabilizing ring:SR-17-14; Mass pillow block:18 kg; Appropriate attachment bolt size G:0.75 in; Housing:SAF 517; H:180.975 mm; Taconite seal:TER 52; Da:150 mm; A1:88.9 mm; Cap bolt, SAE grade:5; A2:198.438 mm; Cap bolt:2 x 5/8-11 UNC; R1:53.975 mm; J min.:250.825 mm; N1:22.225 mm; Cap bolt recommend
NU2230R KOYO Single-row cylindrical roller bearingsT:57 mm; Cb min.:14 mm; D:320 mm; d:180 mm; Dimension series:4GB; Fatigue load limit Pu:80 kN; Calculation factor e:0.46; Basic dynamic load rating C:629 kN; Calculation factor Y0:0.7; db min.:199.5 mm; Da min.:278 mm; Basic static load rating C0:815 kN; Limiting speed:2000 r/min; Reference speed:15
NU2328 KOYO Single-row cylindrical roller bearingsd1:230 mm; Mass shaft washer:6.12 kg; B:24.5 mm; r1,2 min.:3 mm; d:110 mm;
N328 KOYO Single-row cylindrical roller bearingsMass inner ring:0.0095 kg; B:17 mm; d:14 mm; F:17 mm; r, r1,2 min.:0.3 mm;
NU103 KOYO Single-row cylindrical roller bearingsBasic Static Radial Load Rating Co:31000 N; Oil Speed Rating Open/Shielded n2:8500 rpm; Basic Dynamic Radial Load Rating C:55300 N; Accessories:Seal & Snap-Ring; Fillet Radius ra:1.50 mm; D:100.0000 mm; Grease Speed Rating Open/Shielded n1:7000 rpm; B:25.00 mm; d:35.000 mm; Sealed Speed Rating n3:49
N228 KOYO Single-row cylindrical roller bearingsCalculation factor f1:0.99; Mass bearing:0.1 kg; C2:1.8 mm; d1:46.5 mm; Preload class B GB:250 N; Calculation factor (single, tandem) Y0:0.38; Calculation factor f2C:1.07; Preload class C GC:505 N; Calculation factor (back-to-back, face-to-face) Y2:1.41; d2:44.8 mm; dn:48 mm; Attainable speed for gr
NU230R KOYO Single-row cylindrical roller bearingsB:80.00 mm; Oil Speed Rating n2:1400 rpm; d:260.000 mm; D:480.0000 mm; Basic Dynamic Radial Load Rating C:624000 N; Fillet Radius ra:4.00 mm; Basic Static Radial Load Rating Co:1020000 N; Fillet Radius rb:1.50 mm; Grease Speed Rating n1:1100 rpm;
NU228R KOYO Single-row cylindrical roller bearingsJ min.:266.7 mm; H:190.5 mm; H1:95.25 mm; B:80.169 mm; Basic dynamic load rating C:325 kN; Limiting speed:2300 r/min; Attachment bolt diameter G:19.05 mm; J1:60.325 mm; S:0.794 mm; H2:57.15 mm; Mass bearing unit:16.6 kg; s:40.084 mm; J max.:298.45 mm; da:87.313 mm; A:114.3 mm; L:355.6 mm;
NU328R KOYO Single-row cylindrical roller bearingsM:57.5 mm; B:2.5 mm; d1:73 mm; f:8 mm; Mass lock washer:0.04 kg; d:60 mm; d2:86 mm;

 

 

7021 KOYO Single-row, matched pair angular contact ball bearings Video

 

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