7911C

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Dimension and Parameters

Bearing Numbers

Single row :7911C

DB :7911DB

DF :7911DF

DT :7911DT

Principal dimensions(mm)

d :55

D :80

B :13

r(min) :1

r1(min) :0.6

Basic load ratings(N)

Cr :19100

Cor :17700

Basic load ratings(kgf)

Cr :1950

Cor :1810

Value

fo :16.3

Limiting Speed (rpm)

Grease :12000

Oil :16000

Distance of action point(mm)

a :15.5

Abutment and fillet dimensions

da(min) :61

Da(max) :74

ra(max) :1

Weight

(kg) :0.182

Basic load ratings(duplex bearing) (N)

Cr :31000

Cor :35500

Basic load ratings(duplex bearing) (kgf)

Cr :3150

Cor :3600

Limiting Speed(duplex bearing) (rpm)

Grease :9500

Oil :13000

Distance of action point (duplex bearing)(a0)

back-to-back arrangement :31.1

face-to-face arrangement :5.1

Installation dimensions(duplex bearing)

db(min) :-

Db(max) :75

rb(max) :0.6