NK42X52X30 Needle Roller Bearing / Hydraulic Pump Bearing 42*52*30mm

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NK42X52X30 Needle Roller Bearing / Hydraulic Pump Bearing 42*52*30mm image

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NK42X52X30 Needle Roller Bearing / Hydraulic Pump Bearing 425230mm Code system

Bearing number:71952 CD/P4A
Size (mm):360x260x46
Bore Diameter (mm):360
Outer Diameter (mm):260
Width (mm):46
d:260 mm
D:360 mm
B:46 mm
d1:291.8 mm
d2:291.8 mm
D1:328.2 mm
r1,2 - min.:2.1 mm
r3,4 - min.:1.1 mm
a:64.7 mm
da - min.:271 mm
db - min.:271 mm
Da - max.:349 mm
Db - max.:354 mm
ra - max.:2 mm
rb - max.:1 mm
dn:299.7 mm
Basic dynamic load rating - C:281 kN
Basic static load rating - C0:425 kN
Fatigue load limit - Pu:10.2 kN
Limiting speed for grease lubrication:3400 r/min
Limiting speed for oil lubrication:5000 mm/min
Ball - Dw:30.162 mm
Ball - z:29
Gref:150 cm3
Calculation factor - f0:16.5
Preload class A - GA:1050 N
Preload class B - GB:2100 N
Preload class C - GC:4200 N
Preload class D - GD:8400 N
Calculation factor - f:1
Calculation factor - f2A:1
Calculation factor - f2B:1.04
Calculation factor - f2C:1.09
Calculation factor - f2D:1.15
Calculation factor - fHC:1
Preload class A:249 N/micron
Preload class B:339 N/micron
Preload class C:475 N/micron
Preload class D:688 N/micron
r1,2 min.:2.1 mm
r3,4 min.:1.1 mm
da min.:271 mm
db min.:271 mm
Da max.:349 mm
Db max.:354 mm
ra max.:2 mm
rb max.:1 mm
Basic dynamic load rating C:281 kN
Basic static load rating C0:425 kN
Fatigue load limit Pu:10.2 kN
Attainable speed for grease lubrication:3400 r/min
Attainable speed for oil-air lubrication:5000 r/min
Ball diameter Dw:30.162 mm
Number of balls z:29
Reference grease quantity Gref:150 cm³
Preload class A GA:1050 N
Static axial stiffness, preload class A:249 N/µm
Preload class B GB:2100 N
Static axial stiffness, preload class B:339 N/µm
Preload class C GC:4200 N
Static axial stiffness, preload class C:475 N/µm
Preload class D GD:8400 N
Static axial stiffness, preload class D:688 N/µm
Calculation factor f:1.24
Calculation factor f1:1
Calculation factor f2A:1
Calculation factor f2B:1.04
Calculation factor f2C:1.09
Calculation factor f2D:1.15
Calculation factor fHC:1
Calculation factor f0:16.5
Mass bearing:12.2 kg

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NK42X52X30 Needle Roller Bearing / Hydraulic Pump Bearing 42*52*30mm Code system

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NK42X52X30 Needle Roller Bearing / Hydraulic Pump Bearing 425230mm Code system