INCH
CAM FOLLOWER
Yoke Type Track Rollers

For Shaft Mounting
Plain

Bearing Manual
International Cyclopedia

Dimensions

INA

McGill

NTN

RBC

Smith

Torrington

B

RD

W

W-I

      

*

    

Bore

Roller Diameter
+.000
-.001

Roller Width
Outer
+.000
-.005

Overall
Width
+.005
-.010

Inches

Mm.

Inches

Mm.

Inches

Mm.

Inches

Mm.

0.2500

6.35

0.7500

19.050

0.500

12.70

0.5625

14.29

RF12

CYR3/4

NACV12X

Y24

YR3/4

YCR12

0.2500

6.35

0.8750

22.225

0.500

12.70

0.5625

14.29

RF14

CYR7/8

NACV14X

Y28

YR7/8

YCR14

0.3125

7.94

1.0000

25.400

0.625

15.88

0.6875

17.46

RF16

CYR1

NACV16X

Y32

YR1

YCR16

0.3125

7.95

1.1250

28.575

0.625

15.88

0.6875

17.46

RF18

CYR1-1/8

NACV18X

Y36

YR1-1/8

YCR18

0.3750

9.53

1.2500

31.750

0.750

19.05

0.8125

20.64

RF20

CYR1-1/4

NACV20X

Y40

YR1-1/4

YCR20

0.3750

9.53

1.3750

34.925

0.750

19.05

0.8125

20.64

RF22

CYR1-3/8

NACV22X

Y44

YR1-3/8

YCR22

0.4375

11.11

1.5000

38.100

0.875

22.23

0.9375

23.69

RF24

CYR1-1/2

NACV24X

Y48

YR1-1/2

YCR24

0.4375

11.11

1.6250

41.275

0.875

22.23

0.9375

23.69

RF26

CYR1-5/8

NACV26X

Y52

YR1-5/8

YCR26

0.5000

12.70

1.7500

44.450

1.000

25.40

1.0625

26.99

RF28

CYR1-3/4

NACV28X

Y56

YR1-3/4

YCR28

0.5000

12.70

1.8750

47.625

1.000

25.40

1.0625

26.99

RF30

CYR1-7/8

NACV30X

Y60

YR1-7/8

YCR30

0.6250

15.88

2.0000

50.800

1.250

31.75

1.3125

33.34

RF32

CYR2

NACV32X

Y64

YR2

YCR32

0.6250

15.88

2.2500

57.150

1.250

31.75

1.3125

33.34

RF36

CYR2-1/4

NACV36X

Y72

YR2-1/4

YCR36

0.7500

19.05

2.5000

63.500

1.500

38.10

1.5625

39.69

RF40

CYR2-1/2

NACV40X

Y80

YR2-1/2

YCR40

0.7500

19.05

2.7500

69.850

1.500

38.10

1.5625

39.69

RF44

CYR2-3/4

NACV44X

Y88

YR2-3/4

YCR44

1.0000

25.40

3.0000

76.200

1.750

44.45

1.8125

46.04

RF48

CYR3

NACV48X

Y96

YR3

YCR48

1.0000

25.40

3.2500

82.550

1.750

44.45

1.8125

46.04

RF52

CYR3-1/4

NACV52X

Y104

YR3-1/4

YCR52

1.1250

28.58

3.5000

88.900

2.000

50.80

2.0625

52.39

RF56

CYR3-1/2

NACV56X

Y112

YR3-1/2

YCR56

1.2500

31.75

4.0000

101.600

2.250

57.15

2.3125

58.74

RF64

CYR4

NACV64X

Y128

YR4

YCR64

1.7500

44.45

5.0000

127.000

2.750

69.85

2.8750

73.03

      

Y160

    

2.2500

57.15

6.0000

152.400

3.250

82.55

3.3750

85.73

      

Y192

    

2.7500

69.85

7.0000

177.800

3.750

95.25

3.8750

98.43

      

Y224

    

*Formerly Orange - number is identical

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