Main Dimensions & Performance Data

d

50 mm

D

72 mm

B

12 mm

Cr

19600 N

Cor

11400 N

Cur

920 N

Reference speed

40000 rpm

Limiting speed

26000 rpm

Mounting dimensions

da

55 mm Shaft shoulder diameter

rmin

0.6 mm Minimum chamfer size

da

h12 Shaft shoulder clearance diameter

r1min

0.6 mm Minimum chamfer size

α

15 ° contact angle

Da

67.5 mm Diameter of outer ring shoulder

Da

H12 Outer ring clearance shoulder diameter

ramax

0.6 mm Maximum cavity radius

ra1max

0.15 mm Maximum cavity radius

BN

2.2 mm Ring groove distance

SN

6.6 mm Distance to lubrication hole

SB

1.4 mm Lubrication groove width

a

14.2 mm Top distance of pressure cone

Temperature range

Tmin

-30 °C Minimum operating temperature

Tmax

100 °C Maximum operating temperature