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4T-30307C
Basic parameters
Tapered roller bearing
Series
4T-30307C
Model
Main Size(mm)
35
d
80
D
22.75
T
21
B
17
C
2
r s min1
1.5
r1 s min1
Rated base load
66.5
Dynamic load Cr/kN
68.5
Static load Cor/kN
6,750
Dynamic load Cr/kgf
7,000
Static load Cor/kgf
Allowable speed(rpm)
4,800
Grease lubrication
6,400
Oil lubrication
Bearing number
4T-30307C
Bearing number
ISOSize
-
ISOSize
Installation relationship size(mm)
45
d a minmum
44
d b maximum
71.5
Da maximum
63.5
Da minmum
75.5
D b minmum
3
S a minmum
5.5
Sb minmum
2
r as maximum
1.5
r las maximum
Point of action(mm)
20.5
a
Constant
0.55
e
Axial load factor
1.10
Y 2
0.60
Y 0
Weight(about)kg
0.517
Weight
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