Track Rollers & Cam Follower

Shaft Diameter
Bearing Designation and ApproX Mass
Boundary Dimensions
Basic Load Rating
Limiting Speed(rpm)

D
d
F / Fw
B
C
E
Cr Dynamic
Cor Static
As track rolers
Grease

Without IR
Mass
With IR
Mass
Cw
Cow

mm
g
g
mm
N

16
RSTO 5TN
8.5

  
16
 
7
 
7.8
10
2800
2600
2550
2550
23000

RSTO 5TNX
8.5

 
16
 
7
 
7.8
10
2800
2600
1990
1990
23000

19
RSTO 6TN
12.5
STO 6TN
17
19
6
10
10
9.8
13
4700
5450
3750
4500
20000

RSTO 6TNX
12.5
STO 6TNX
17
19
6
10
10
9.8
13
4700
5450
3050
4000
20000

24
RSTO 8TN
21
STO 8TN
26
24
8
12
10
9.8
15
4800
6000
4200
5500
16000

RSTO 8TNX
21
STO 8TNX
26
24
8
12
10
9.8
15
4800
6000
3000
5000
16000

30
RSTO 10X
42
STO 10X
49
30
10
14
12
11.8
20
10200
10500
8400
9200
11000

RSTO 10X
42
STO 10X
49
30
10
14
12
11.8
20
10200
10500
8000
8800
11000

32
RSTO12X
49
STO12X
57
32
12
16
12
11.8
22
11300
12300
8900
10100
9000

RSTO 12X
49
STO 12X
57
32
12
16
12
11.8
22
11300
12300
8500
9600
9000

35
RSTO 15X
50
STO 15X
63
35
15
20
12
11.8
26
13200
16000
9100
10700
6500

RSTO 15X
50
STO 15X
63
35
15
20
12
11.8
26
13200
16000
8700
9900
6500

40
RSTO 17
88
STO 17
107
40
17
22
16
15.8
29
19800
25300
14300
17700
5500

RSTO 17X
88
STO 17X
107
40
17
22
16
15.8
29
19800
25300
12500
15700
5500

47
RSTO 20
130
STO 20
152
47
20
25
16
15.8
32
20800
27800
16200
21500
4700

RSTO 20X
130
STO 20X
152
47
20
25
16
15.8
32
20800
27800
15000
19900
4700

52
RSTO 25
150
STO 25
177
52
25
30
16
15.8
37
23000
33400
16500
22900
3600

RSTO 25X
150
STO 25X
177
52
25
30
16
19.8
37
23000
33400
14000
20900
3600

62
RSTO 30
255
STO 30
308
62
30
38
20
19.8
46
35200
56700
23300
35000
2500

RSTO 30X
255
STO 30X
308
62
30
38
20
19.8
46
35200
56700
21800
33000
2500

72
RSTO 35
375
STO 35
441
72
35
42
20
19.8
50
35800
58800
26000
41000
2200

RSTO 35X
375
STO 35X
441
72
35
42
20
19.8
50
35800
58800
24500
38900
2200

80
RSTO 40
420
STO 40
530
80
40
50
20
19.8
58
35200
61800
24000
39000
1700

RSTO 40X
420
STO 40X
530
80
40
50
20
19.8
58
35200
61800
22500
36500
1700

85
RSTO 45
453
STO 45
576
85
45
55
20
19.8
63
38900
73900
25500
43000
1500

RSTO 45X
453
STO 45X
576
85
45
55
20
19.8
63
38900
73900
24000
41500
1500

90
RSTO 50
481
STO 50
617
90
50
60
20
19.8
68
43300
84800
26000
46500
1300

RSTO 50X
481
STO 50X
617
90
50
60
20
19.8
68
43300
84800
22800
44000
1300