CRB70045 Crossed Roller Bearing 700x815x45mm

✖

Home

Stock Categories

Quality Control

Single row bearing

Double row bearing

Multi-row bearing

Home>Products>Mining machinery bearing>CRB70045 Crossed Roller Bearing 700x815x45mm image

CRB70045 Crossed Roller Bearing 700x815x45mm image

Back to product page

CRB70045 Crossed Roller Bearing 700x815x45mm Specifications

Bearing number:71910 ACD/HCP4A
Size (mm):72x50x12
Bore Diameter (mm):72
Outer Diameter (mm):50
Width (mm):12
d:50 mm
D:72 mm
B:12 mm
d1:57.1 mm
d2:57.1 mm
D1:64.9 mm
r1,2 - min.:0.6 mm
r3,4 - min.:0.3 mm
a:20.3 mm
da - min.:53.2 mm
db - min.:53.2 mm
Da - max.:68.8 mm
Db - max.:70.6 mm
ra - max.:0.6 mm
rb - max.:0.3 mm
dn:58.7 mm
Basic dynamic load rating - C:12.7 kN
Basic static load rating - C0:9.8 kN
Fatigue load limit - Pu:0.415 kN
Limiting speed for grease lubrication:19000 r/min
Limiting speed for oil lubrication:30000 mm/min
Ball - Dw:6.35 mm
Ball - z:25
Gref:1.74 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:80 N
Preload class B - GB:160 N
Preload class C - GC:320 N
Preload class D - GD:640 N
Calculation factor - f:1.13
Calculation factor - f1:0.98
Calculation factor - f2A:1
Calculation factor - f2B:1.07
Calculation factor - f2C:1.12
Calculation factor - f2D:1.17
Calculation factor - fHC:1.04
Preload class A:117 N/micron
Preload class B:152 N/micron
Preload class C:200 N/micron
Preload class D:266 N/micron
r1,2 min.:0.6 mm
r3,4 min.:0.3 mm
da min.:53.2 mm
db min.:53.2 mm
Da max.:68.8 mm
Db max.:70.6 mm
ra max.:0.6 mm
rb max.:0.3 mm
Basic dynamic load rating C:12.7 kN
Basic static load rating C0:9.8 kN
Fatigue load limit Pu:0.415 kN
Attainable speed for grease lubrication:19000 r/min
Attainable speed for oil-air lubrication:30000 r/min
Ball diameter Dw:6.35 mm
Number of balls z:25
Reference grease quantity Gref:1.74 cm³
Preload class A GA:80 N
Static axial stiffness, preload class A:117 N/µm
Preload class B GB:160 N
Static axial stiffness, preload class B:152 N/µm
Preload class C GC:320 N
Static axial stiffness, preload class C:200 N/µm
Preload class D GD:640 N
Static axial stiffness, preload class D:266 N/µm
Calculation factor f:1.13
Calculation factor f1:0.98
Calculation factor f2A:1
Calculation factor f2B:1.07
Calculation factor f2C:1.12
Calculation factor f2D:1.17
Calculation factor fHC:1.04
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:0.12 kg

Contact Us

Bearing Wholesalers: Emailcarina@bearing-wholesalers.com; Address258 Bearing Wholesalers Center Hill, Singapore 628925; Phone(Working Time)+6531591338; Fax+6531591338

Send Now

Bearing Wholesalers

CRB70045 Crossed Roller Bearing 700x815x45mm Specifications

Contact Us