Main Dimensions & Performance Data

d

25 mm

D

75 mm

B

28 mm

Ca

27500 N

Coa

55000 N

Cua

N

Reference speed

2600 rpm

Limiting speed

5700 rpm

Mounting dimensions

Da max

48 mm Maximum diameter of bearing housing

d1

40.5 mm Inner ring rib diameter

r min

0.3 mm Minimum chamfer size

da min

32 mm Shaft minimum diameter

r1 min

0.6 mm Minimum chamfer size

t1

0.1 mm Housing hole positioning tolerance

J

58 mm Fixed hole pitch diameter

M6 Fixing Bolt Size

d2

6.8 mm Fixed hole diameter

na

4 Number of holes in adjacent structures

ta

90 ° Pitch circle separation angle of holes in adjacent structures

b

3 mm Drawing slot width

M6 Lubricate threaded holes

I

19 mm Drawing slot pitch

n

8 Fixed hole pitch

t

45 ° Fixed hole pitch circle separation angle

a

60 ° Contact angle

Temperature range

T min

-30 °C Minimum operating temperature

T max

120 °C Maximum operating temperature