122978/122125

Part Number:
d:
D:
B:

Single Row Tapered Roller Bearings (Inch Series)

Single Row Tapered Roller Bearings (Inch Series)
Single Row Tapered Roller Bearings (Inch Series)

Dimension and Parameters

Bearing NO. :122978/122125
Boundary dimensions(mm)
d :199.975
D :317.5
T :66.675
B :70
C :50.8
r 1.2min :4.3
r 3.4min :3.2
Basic load ratings(kN)
Cr :741
Cor :1270
Limiting speed(rpm)
Grease :1100
Oil :1600
Application point
a :54.4
Abutment and fillet dimensions(mm)
da max :214
db min :232
Da max :289
Db min :299
ra max :4.3
rb max :3.2
Value
e :0.3
Y :2.02
Y0 :1.11
Weight (kg)
Refer :19.5

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