Bearing No.

Boundary dimensions
mm

Locking ring dimensions
mm

Mass
kg

d

D

B

C

d1

D1

T

Bearing

Ring

88502

15

35

14.4

11

-

-

-

0.12

-

88503

17

40

16.6

12

-

-

-

0.16

-

88505

25

52

16.8

15

-

-

-

0.20

-

88506

30

62

24

16

-

-

-

0.26

-

88507

35

72

25

17

-

-

-

0.35

-

88508A

40

72

22

17

-

-

-

0.32

-

88508

40

80

27

21

-

-

-

0.45

-

88509

45

85

27

21

-

-

-

0.50

-

88510

50

90

30

22

-

-

-

0.55

-

88511

55

100

31

23

-

-

-

0.76

-

88512

60

110

36

22

-

-

-

0.97

-

88107

35

72

25

17

-

-

-

0.35

-

88107R

35

72

25

17

34.92

41.45

7.80

0.35

0.05

88128

38.894

80

27.5

21

-

-

-

0.48

-

88128R

38.894

80

27.5

21

38.77

54.0

9.86

0.48

0.09

88128RA

38.894

80

27.5

21

38.77

58.0

16.45

0.48

0.16

RW207CCR

35

72

21.46

-

34.93

50.0

10.00

0.35

0.08

RW507CR

35

69.789

17.78

16.7

34.93

50.0

15.40

0.30

0.10

RWF34R

34

68

24

21

33.92

47.7

8.60

0.26

0.065

RWC35YYR

36.373

73.05

23.62

17.7

36.29

50.5

9.65

0.36

0.07