SKF 12830 Radial shaft seals for general industrial applications

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SKF 12830 Radial shaft seals for general industrial applications image

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Types of SKF BEARINGS

Bearing number:7008 CB/P4A
Size (mm):68x40x15
Bore Diameter (mm):68
Outer Diameter (mm):40
Width (mm):15
d:40 mm
D:68 mm
B:15 mm
d1:50.95 mm
d2:49.87 mm
D2:58.88 mm
r1,2 - min.:1 mm
r3,4 - min.:0.6 mm
a:14.8 mm
da - min.:44.6 mm
db - min.:44.6 mm
Da - max.:63.4 mm
Db - max.:64.8 mm
ra - max.:1 mm
rb - max.:0.6 mm
dn:51.6 mm
Basic dynamic load rating - C:7.4 kN
Basic static load rating - C0:5.6 kN
Fatigue load limit - Pu:0.236 kN
Limiting speed for grease lubrication:28000 r/min
Limiting speed for oil lubrication:43000 mm/min
Ball - Dw:4.762 mm
Ball - z:26
Gref:2.22 cm3
Calculation factor - f0:9.8
Preload class A - GA:24 N
Preload class B - GB:48 N
Preload class C - GC:145 N
Calculation factor - f:1
Calculation factor - f2A:1
Calculation factor - f2B:1.02
Calculation factor - f2C:1.05
Calculation factor - fHC:1
Preload class A:28 N/micron
Preload class B:36 N/micron
Preload class C:57 N/micron
r1,2 min.:1 mm
r3,4 min.:0.6 mm
da min.:44.6 mm
db min.:44.6 mm
Da max.:63.4 mm
Db max.:64.8 mm
ra max.:1 mm
rb max.:0.6 mm
Basic dynamic load rating C:9.95 kN
Basic static load rating C0:9.3 kN
Fatigue load limit Pu:0.236 kN
Attainable speed for grease lubrication:28000 r/min
Attainable speed for oil-air lubrication:43000 r/min
Ball diameter Dw:4.762 mm
Number of balls z:26
Reference grease quantity Gref:2.22 cm³
Preload class A GA:24 N
Static axial stiffness, preload class A:28 N/µm
Preload class B GB:48 N
Static axial stiffness, preload class B:36 N/µm
Preload class C GC:145 N
Static axial stiffness, preload class C:57 N/µm
Calculation factor f:1.04
Calculation factor f1:1
Calculation factor f2A:1
Calculation factor f2B:1.02
Calculation factor f2C:1.05
Calculation factor fHC:1
Calculation factor f0:9.8
Mass bearing:0.21 kg

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Pioneer Machinery Source: Email[email protected]; Address13 Tuas Road Distributor Service Singapore 638512; Phone(Working Time)0065 82577418; Fax0065 82577552

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Types of SKF BEARINGS

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