è?′????????·

??o????°o?ˉ?(mm)

é￠????è??è?·(N)

???é??è??é??(rpm)

é??é??(kg)

Bearing No.

Principal dimensions

Basic load ratings

Speed ratings

weight

d

D

B

r(min)

Dynamic

(Cr)

Static

(Cor)

è??

(grease)

?21

(oil)

51100

10

24

9

0.3

10000

14000

6300

9000

0.019

51200

10

26

11

0.6

12500

17000

6000

8000

0.028

51101

12

26

9

0.3

10200

15200

6000

8500

0.021

51201

12

28

11

0.6

13200

19000

5300

7500

0.031

51102

15

28

9

0.3

10500

16800

5600

8000

0.022

51203

15

32

12

0.6

17000

27200

4500

6300

0.048

51103

17

30

9

0.3

10800

18200

5300

7500

0.024

51203

17

35

12

0.6

17000

27200

4500

6300

0.048

51104

20

35

10

0.3

14200

24500

4800

6700

0.036