6000 series　　6200 series　　6300 series　

　　　6800 series　　6900 series　1600 series　R series　

　　　Any combination of closures is available

Basic
Bearing
Number

Bore
Diameter
d

Outer
Diameter
D

Width
b

Radius
(min.)
r

Basic Load
Rating
KN

Max.
Speed
rpm

Weight
(Ref.)
kg

mm

inch

mm

inch

mm

inch

mm

inch

C

C0

Grease

Oil

Open

633

3

0.119

13

0.512

5

0.197

0.20

0.008

1.20

0.40

38000

46000

0.0034

634

4

0.158

16

0.630

5

0.197

0.30

0.012

1.50

0.60

36000

43000

0.0052

635

5

0.197

19

0.748

6

0.236

0.30

0.012

2.34

0.885

34000

40000

0.008

636

6

0.236

22

0.867

7

0.276

0.30

0.012

2.60

1.40

30000

35000

0.014

637

7

0.276

26

1.024

9

0.355

0.30

0.012

4.30

1.90

27000

33000

0.024

638

8

0.315

28

1.103

9

0.355

0.30

0.012

4.30

1.90

27000

33000

0.028

639

9

0.354

30

1.182

10

0.394

0.60

0.024

4.40

2.00

27000

31000

0.036

6300

10

0.394

35

1.378

11

0.433

0.60

0.024

7.65

3.48

15000

21000

0.053

6301

12

0.472

37

1.457

12

0.472

1.00

0.039

9.72

5.08

14000

20000

0.060

6302

15

0.591

42

1.654

13

0.512

1.00

0.039

11.50

5.42

13000

18000

0.082

6303

17

0.669

47

1.850

14

0.551

1.10

0.039

13.50

6.58

12000

17000

0.115

6304

20

0.787

52

2.047

15

0.591

1.10

0.043

15.90

7.80

11000

15000

0.144

6305

25

0.984

62

2.441

17

0.669

1.10

0.043

17.22

11.39

10000

13000

0.2193

6306

30

1.181

72

2.835

19

0.748

1.10

0.043

20.77

14.17

8000

10000

0.3498

6307

35

1.378

80

3.150

21

.827

1.50

0.059

25.66

17.92

6800

8000

0.4542

6308

40

1.575

90

3.543

23

0.906

1.50

0.059

31.35

22.88

5800

7200

0.6394

6309

45

1.772

100

3.937

25

0.984

1.50

0.059

40.66

30.00

5000

6200

0.8363

6310

50

1.969

110

4.331

27

1.063

2.00

0.079

47.58

35.71

4400

5500

1.0822

6311

55

2.165

120

4.728

29

1.143

2.00

0.079

71.50

44.50

4000

6700

1.37

6312

60

2.362

130

5.122

31

1.221

2.10

0.083

82.00

52.00

3600

6300

1.72