A

Single Row Angular Contact Ball Bearings

B

Ball Screw Support Bearings

C

Single Row Radial Ball Bearings


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Ball screw support bearings and units designation systems

Primary
dimensions

 

 

Basic
bearings

Axial load
ratings

 

Abutment dimensions
max
. filletradius

Preload

Axial
stiffness

Limiting
speeds

  Drag
torque

d

D

B

 

dynamic

static

 

d1*

D1*

 

 

 

 

 

 

 

 

Ca

Coa

r

min

max

 

 

 

 

mm

 

 

 

 

 

N

 

 

 

mm

 

 

 

 

 

N

 

N/µm

 

rev/min

 

Nm/
bearing

20,000

47,000

15,875

BSB 078

23000

34200

0,6

26

42

3500

750

3300

0,17

 .

23,838

62,000

15,875

BSB 093

26500

47500

1,0

30

56

4500

1050

2300

0,23

 .,

38,100

72,000

15,875

BSB 150

31900

61900

1,0

46

66

7000

1300

2000

0,23

 .

44,4754

76,200

15,875

BSB 175

33700

69800

1,0

51

69

7000

1380

1900

0,28

 .

57,150

90,000

15,875

BSB 225

36500

86100

1,0

64

82

7900

1620

1600

0,40

..

76,200

110,000

15,875

BSB 300

39700

111000

1,0

84

102

10000

2050

1250

0,51

 .

101,600

145,000

22,225

BSB 400

77900

225000

1,0

112

138

13900

2480

900

0,68

 .

127,00

180,000

22,225

BSB 500

85200

285000

1,0

137

173

17800

3160

750

1,08

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