Metric system
Open:
639
Dust cover:
639ZZ
Sealed:
6392RZ
Sealed:
—
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Metric system
Classification：
Product Introduction
Bearing Code
Inner Ring 639
Outer Ring 633
Overall Dimensions(mm)
d 63.500
D 130.175
T 41.275
B 41.275
C 31.750
r(min)Inner Ring 3.5
r(min)Outer Ring 3.3
Limiting Speed(rpm)
Grease 2800
Oil Lubrication 3800
Rated Load
Cr(N) 195000
Cor(N) 263000
Cr(kgf) 19800
Cor(kgf) 26800
Mounting Dimensions(mm)
da 81
db 74
Da 116
Db 124
ra(max)Inner Ring 3.5
ra(max)Outer Ring 3.3
A Constant (math.)
e 0.36
Operating Point(mm)
a 29.9
Axial Load Factor
Y1 1.7
Y0 0.91
Weights(kg)
Inner Ring 1.77
Outer Ring 0.712
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