Bearing(1) Number

NAS 660

Dash No.

Bore B

+0.0000,-.0005

+0.000,-.013

Outside Diameter D

±.010

±.25

Widths

W                       H

+0.000,-.005  +0.010,-.005

+0.00,-.13       +0.25,-.13

A

Approx.

L

±.010

±.25

L2

REF.

L1

±.010

±.25

D1

+0.000,-0.002

+0.25,-.05

L3

M

+0.010,-0.001

+0.25,-.03

Wt.

Approx.

Radial Limit Load Rating

in.

mm

in.     mm

in.    mm

in.

mm

in.

mm

in.

mm

in.     mm

in.

mm

in.

mm

in.

mm

in.    mm

lbs.

kg

lbf.

N

RA3H7

-3-7

0.1900

4.826

0.781 19.84

0.562 14.27

0.438

11.13

0.312

7.92

1.538

39.07

1.934 49.12

0.785

19.94

0.430

10.92

0.975

24.76

0.281 7.14

0.06

0.027

1000

4400

RA4H9

-4-9

0.2500

6.350

0.938 23.83

0.687 17.45

0.531

13.49

0.365

9.27

1.75

44.45

2.219 56.36

0.941

23.90

0.555

14.10

1.125

28.58

0.406 10.31

0.12

0.054

1720

7650

RA4H11

R4-11

0.2500

6.350

1.063 27.00

0.625 15.88

0.469

11.91

0.404

10.26

2.163

54.94

2.694 68.43

1.285

32.64

0.680

17.27

1.475

37.46

0.516 13.11

0.19

0.086

3025

13400

RR5H14

R5-14

0.3125

7.938

1.438 36.53

0.812 20.62

0.656

16.66

0.515

13.08

2.906

73.81

3.625 92.08

1.785

45.34

0.870

22.10

2.094

53.19

0.703 17.86

0.4

0.181

7350

32500

RR6H16

R6-16

0.3750

9.525

1.750 44.45

0.937 23.80

0.750

19.05

0.564

14.33

3.25

82.55

4.125 104.78

1.785

45.34

0.995

25.27

2.000

50.80

0.812 20.62

0.66

0.299

9600

42500