Bearing LM202820 NSK - Boyal Industrial Pte ltd.

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Bearing LM202820 NSK image

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Bearing LM202820 NSK Product identifiers

Bearing number:7022 ACD/HCP4A
Size (mm):170x110x28
Bore Diameter (mm):170
Outer Diameter (mm):110
Width (mm):28
d:110 mm
D:170 mm
B:28 mm
d1:128.5 mm
d2:128.5 mm
D1:151.5 mm
r1,2 - min.:2 mm
r3,4 - min.:1 mm
a:46.8 mm
da - min.:119 mm
db - min.:119 mm
Da - max.:161 mm
Db - max.:165 mm
ra - max.:2 mm
rb - max.:1 mm
dn:132.6 mm
Basic dynamic load rating - C:104 kN
Basic static load rating - C0:104 kN
Fatigue load limit - Pu:3.8 kN
Limiting speed for grease lubrication:8500 r/min
Limiting speed for oil lubrication:13000 mm/min
Ball - Dw:19.05 mm
Ball - z:20
Gref:25.5 cm3
Calculation factor - e:0.68
Calculation factor - Y2:1.41
Calculation factor - Y0:0.76
Calculation factor - X2:0.67
Calculation factor - Y1:0.92
Preload class A - GA:650 N
Preload class B - GB:1300 N
Preload class C - GC:2600 N
Preload class D - GD:5200 N
Calculation factor - f:1.14
Calculation factor - f1:0.99
Calculation factor - f2A:1
Calculation factor - f2B:1.02
Calculation factor - f2C:1.05
Calculation factor - f2D:1.08
Calculation factor - fHC:1.02
Preload class A:322 N/micron
Preload class B:421 N/micron
Preload class C:558 N/micron
Preload class D:755 N/micron
r1,2 min.:2 mm
r3,4 min.:1 mm
da min.:119 mm
db min.:119 mm
Da max.:161 mm
Db max.:165 mm
ra max.:2 mm
rb max.:1 mm
Basic dynamic load rating C:104 kN
Basic static load rating C0:104 kN
Fatigue load limit Pu:3.75 kN
Attainable speed for grease lubrication:8500 r/min
Attainable speed for oil-air lubrication:13000 r/min
Ball diameter Dw:19.05 mm
Number of balls z:20
Reference grease quantity Gref:25.5 cm³
Preload class A GA:650 N
Static axial stiffness, preload class A:322 N/µm
Preload class B GB:1300 N
Static axial stiffness, preload class B:421 N/µm
Preload class C GC:2600 N
Static axial stiffness, preload class C:558 N/µm
Preload class D GD:5200 N
Static axial stiffness, preload class D:755 N/µm
Calculation factor f:1.14
Calculation factor f1:0.99
Calculation factor f2A:1
Calculation factor f2B:1.02
Calculation factor f2C:1.05
Calculation factor f2D:1.08
Calculation factor fHC:1.02
Calculation factor e:0.68
Calculation factor (single, tandem) Y2:0.87
Calculation factor (single, tandem) Y0:0.38
Calculation factor (single, tandem) X2:0.41
Calculation factor (back-to-back, face-to-face) Y1:0.92
Calculation factor (back-to-back, face-to-face) Y2:1.41
Calculation factor (back-to-back, face-to-face) Y0:0.76
Calculation factor (back-to-back, face-to-face) X2:0.67
Mass bearing:1.63 kg

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