型号

Bore

B

Tolerance

+.005 to

-.000

Outside Diameter

 D

Tolerance

+.000 to

-.005

Width

W

Tolerance

±.005

Balls

Radial

Load

Rating at

600 RPM

NO

SIZE

in.

in.

in.

in.

lbs

SR253

3⁄16

11⁄16

1⁄4

11

1⁄8

29

SR254

1⁄4

11⁄16

1⁄4

12

1⁄8

32

SR255

1⁄4

3⁄4

1⁄4

13

1⁄8

34

SR255-89

3⁄16

3⁄4

1⁄4

10

5⁄32

41

SR266

3⁄16

7⁄8

1⁄4

12

5⁄32

49

SR267

1⁄4

7⁄8

1⁄4

12

5⁄32

49

SR268

5⁄16

7⁄8

1⁄4

15

1⁄8

40

SR269

3⁄8

7⁄8

1⁄4

16

1⁄8

42

SR270

5⁄16

29⁄32

5⁄16

13

5⁄32

53

SR280-1

5⁄16

15⁄16

5⁄16

13

5⁄32

53

SR281

3⁄8

15⁄16

5⁄16

17

1⁄8

45

SR290

1⁄4

1

5⁄16

13

5⁄32

53

SR290-90

3/8

1

5/16

14

5/32

53

SR311

1⁄4

1-1⁄16

1⁄4

13

5⁄32

53

SR312

5⁄16

1-1⁄16

1⁄4

13

5⁄32

53

SR314

5⁄16

1-1⁄16

3⁄8

13

5⁄32

53

SR315

3⁄8

1-1⁄16

3⁄8

14

5⁄32

57

SR333

3⁄8

1-1⁄8

3⁄8

14

5⁄32

57

SR337

1⁄2

1-1⁄8

3⁄8

16

5⁄32

66

SR340-1

3⁄8

1-3⁄16

3⁄8

13

3⁄16

81

SR342

3⁄8

1-1⁄4

3⁄8

13

3⁄16

81

SR342-58

1⁄2

1-1⁄4

3⁄8

15

3⁄16

87

SR347

1⁄2

1-9⁄32

5⁄16

15

3⁄16

87

SR381

1⁄2

1-3⁄8

7⁄16

17

3⁄16

99

SR500

1⁄2

1-1⁄2

7⁄16

13

1⁄4

136

SR503

5⁄8

1-1⁄2

7⁄16

13

1⁄4

136

SR550

1⁄2

1-9⁄16

7⁄16

14

1⁄4

147

SR620

3⁄4

1-5⁄8

3⁄8

15

1⁄4

157