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RSTO

Support roller (yoke-type track roller), without flange rings and inner ring
Support rollers (yoke-type track rollers) are designed to run on and to be used in cam drives, bed ways, conveyor systems, linear guidance systems, etc. They are based on a single row needle roller bearing without an inner ring, intended for applications where hardened and ground raceways can be provided on the pin or shaft. They have a thick-walled outer ring with a crowned or cylindrical running surface and are supplied ready-to-mount. The outer ring and the needle roller and cage assembly can be mounted separately.
• High radial load carrying capacity
• Able to withstand shock loads
• Long service life
• Ready to mount
• Separable design

PRODUCT FILTERS AND TABLE

Outside diameter (inch)

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Width outer ring (inch)

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Outer ring profile
Crowned
Cylindrical
Diameter under rollers (inch)

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Designation

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Designation Outside diameter Diameter under rollers Width outer ring Basic dynamic load rating Basic static load rating Maximum dynamic radial load Maximum static radial load Weight
D Fw C C C0 Fr F0r ≈m
inch
inch
inch
lbs
lbs
lbs
lbs
lbs
RSTO5TN 16 7 7 2.51 2.55 3.55 5 0.009
RSTO6TN 19 10 9.8 3.74 4.5 4.25 6.1 0.013
RSTO8TN 24 12 9.8 4.13 5.4 7.5 10.8 0.021
RSTO10 30 14 11.8 8.25 8.8 8.5 12.2 0.042
RSTO12 32 16 11.8 8.8 9.8 8.3 12 0.049
RSTO15 35 20 11.8 9.13 10.6 7.1 10 0.05
RSTO17 40 22 15.8 14.2 17.6 12 17.3 0.088
RSTO20 47 25 15.8 16.1 21.2 18.6 26.5 0.13
RSTO25 52 30 15.8 16.5 22.8 18 26 0.15
RSTO30 62 38 19.8 22.9 34.5 23.6 33.5 0.255
RSTO35 72 42 19.8 24.6 39 36 51 0.375
RSTO40 80 50 19.8 23.8 39 34.5 49 0.42
RSTO45 85 55 19.8 25.1 43 34.5 50 0.453
RSTO50 90 60 19.8 26 45.5 34.5 50 0.481
RSTO5XTN 16 7 7.8 2.51 2.5 3.55 5 0.009
RSTO6XTN 19 10 9.8 3.74 4.5 4.25 6.1 0.013
RSTO8XTN 24 12 9.8 4.13 5.4 7.5 10.8 0.021
RSTO10X 30 14 11.8 8.25 8.8 8.5 12.2 0.042
RSTO12X 32 16 11.8 8.8 9.8 8.3 12 0.049
RSTO15X 35 20 11.8 9.13 10.6 7.1 10 0.05
RSTO17X 40 22 15.8 14.2 17.6 12 17.3 0.088
RSTO20X 47 25 15.8 16.1 21.2 18.6 26.5 0.13
RSTO25X 52 30 15.8 16.5 22.8 18 26 0.15
RSTO30X 62 38 19.8 22.9 34.5 23.6 33.5 0.255
RSTO35X 72 42 19.8 24.6 39 36 51 0.375
RSTO40X 80 50 19.8 23.8 39 34.5 49 0.42
RSTO45X 85 55 19.8 25.1 43 34.5 50 0.453
RSTO50X 90 60 19.8 26 45.5 34.5 50 0.481
RSTO5TN
D Outside diameter 16 inch
Fw Diameter under rollers 7 inch
C Width outer ring 7 inch
C Basic dynamic load rating 2.51 lbs
C0 Basic static load rating 2.55 lbs
Fr Maximum dynamic radial load 3.55 lbs
F0r Maximum static radial load 5 lbs
≈m Weight 0.009 lbs
RSTO6TN
D Outside diameter 19 inch
Fw Diameter under rollers 10 inch
C Width outer ring 9.8 inch
C Basic dynamic load rating 3.74 lbs
C0 Basic static load rating 4.5 lbs
Fr Maximum dynamic radial load 4.25 lbs
F0r Maximum static radial load 6.1 lbs
≈m Weight 0.013 lbs
RSTO8TN
D Outside diameter 24 inch
Fw Diameter under rollers 12 inch
C Width outer ring 9.8 inch
C Basic dynamic load rating 4.13 lbs
C0 Basic static load rating 5.4 lbs
Fr Maximum dynamic radial load 7.5 lbs
F0r Maximum static radial load 10.8 lbs
≈m Weight 0.021 lbs
RSTO10
D Outside diameter 30 inch
Fw Diameter under rollers 14 inch
C Width outer ring 11.8 inch
C Basic dynamic load rating 8.25 lbs
C0 Basic static load rating 8.8 lbs
Fr Maximum dynamic radial load 8.5 lbs
F0r Maximum static radial load 12.2 lbs
≈m Weight 0.042 lbs
RSTO12
D Outside diameter 32 inch
Fw Diameter under rollers 16 inch
C Width outer ring 11.8 inch
C Basic dynamic load rating 8.8 lbs
C0 Basic static load rating 9.8 lbs
Fr Maximum dynamic radial load 8.3 lbs
F0r Maximum static radial load 12 lbs
≈m Weight 0.049 lbs
RSTO15
D Outside diameter 35 inch
Fw Diameter under rollers 20 inch
C Width outer ring 11.8 inch
C Basic dynamic load rating 9.13 lbs
C0 Basic static load rating 10.6 lbs
Fr Maximum dynamic radial load 7.1 lbs
F0r Maximum static radial load 10 lbs
≈m Weight 0.05 lbs
RSTO17
D Outside diameter 40 inch
Fw Diameter under rollers 22 inch
C Width outer ring 15.8 inch
C Basic dynamic load rating 14.2 lbs
C0 Basic static load rating 17.6 lbs
Fr Maximum dynamic radial load 12 lbs
F0r Maximum static radial load 17.3 lbs
≈m Weight 0.088 lbs
RSTO20
D Outside diameter 47 inch
Fw Diameter under rollers 25 inch
C Width outer ring 15.8 inch
C Basic dynamic load rating 16.1 lbs
C0 Basic static load rating 21.2 lbs
Fr Maximum dynamic radial load 18.6 lbs
F0r Maximum static radial load 26.5 lbs
≈m Weight 0.13 lbs
RSTO25
D Outside diameter 52 inch
Fw Diameter under rollers 30 inch
C Width outer ring 15.8 inch
C Basic dynamic load rating 16.5 lbs
C0 Basic static load rating 22.8 lbs
Fr Maximum dynamic radial load 18 lbs
F0r Maximum static radial load 26 lbs
≈m Weight 0.15 lbs
RSTO30
D Outside diameter 62 inch
Fw Diameter under rollers 38 inch
C Width outer ring 19.8 inch
C Basic dynamic load rating 22.9 lbs
C0 Basic static load rating 34.5 lbs
Fr Maximum dynamic radial load 23.6 lbs
F0r Maximum static radial load 33.5 lbs
≈m Weight 0.255 lbs
RSTO35
D Outside diameter 72 inch
Fw Diameter under rollers 42 inch
C Width outer ring 19.8 inch
C Basic dynamic load rating 24.6 lbs
C0 Basic static load rating 39 lbs
Fr Maximum dynamic radial load 36 lbs
F0r Maximum static radial load 51 lbs
≈m Weight 0.375 lbs
RSTO40
D Outside diameter 80 inch
Fw Diameter under rollers 50 inch
C Width outer ring 19.8 inch
C Basic dynamic load rating 23.8 lbs
C0 Basic static load rating 39 lbs
Fr Maximum dynamic radial load 34.5 lbs
F0r Maximum static radial load 49 lbs
≈m Weight 0.42 lbs
RSTO45
D Outside diameter 85 inch
Fw Diameter under rollers 55 inch
C Width outer ring 19.8 inch
C Basic dynamic load rating 25.1 lbs
C0 Basic static load rating 43 lbs
Fr Maximum dynamic radial load 34.5 lbs
F0r Maximum static radial load 50 lbs
≈m Weight 0.453 lbs
RSTO50
D Outside diameter 90 inch
Fw Diameter under rollers 60 inch
C Width outer ring 19.8 inch
C Basic dynamic load rating 26 lbs
C0 Basic static load rating 45.5 lbs
Fr Maximum dynamic radial load 34.5 lbs
F0r Maximum static radial load 50 lbs
≈m Weight 0.481 lbs
RSTO5XTN
D Outside diameter 16 inch
Fw Diameter under rollers 7 inch
C Width outer ring 7.8 inch
C Basic dynamic load rating 2.51 lbs
C0 Basic static load rating 2.5 lbs
Fr Maximum dynamic radial load 3.55 lbs
F0r Maximum static radial load 5 lbs
≈m Weight 0.009 lbs
RSTO6XTN
D Outside diameter 19 inch
Fw Diameter under rollers 10 inch
C Width outer ring 9.8 inch
C Basic dynamic load rating 3.74 lbs
C0 Basic static load rating 4.5 lbs
Fr Maximum dynamic radial load 4.25 lbs
F0r Maximum static radial load 6.1 lbs
≈m Weight 0.013 lbs
RSTO8XTN
D Outside diameter 24 inch
Fw Diameter under rollers 12 inch
C Width outer ring 9.8 inch
C Basic dynamic load rating 4.13 lbs
C0 Basic static load rating 5.4 lbs
Fr Maximum dynamic radial load 7.5 lbs
F0r Maximum static radial load 10.8 lbs
≈m Weight 0.021 lbs
RSTO10X
D Outside diameter 30 inch
Fw Diameter under rollers 14 inch
C Width outer ring 11.8 inch
C Basic dynamic load rating 8.25 lbs
C0 Basic static load rating 8.8 lbs
Fr Maximum dynamic radial load 8.5 lbs
F0r Maximum static radial load 12.2 lbs
≈m Weight 0.042 lbs
RSTO12X
D Outside diameter 32 inch
Fw Diameter under rollers 16 inch
C Width outer ring 11.8 inch
C Basic dynamic load rating 8.8 lbs
C0 Basic static load rating 9.8 lbs
Fr Maximum dynamic radial load 8.3 lbs
F0r Maximum static radial load 12 lbs
≈m Weight 0.049 lbs
RSTO15X
D Outside diameter 35 inch
Fw Diameter under rollers 20 inch
C Width outer ring 11.8 inch
C Basic dynamic load rating 9.13 lbs
C0 Basic static load rating 10.6 lbs
Fr Maximum dynamic radial load 7.1 lbs
F0r Maximum static radial load 10 lbs
≈m Weight 0.05 lbs
RSTO17X
D Outside diameter 40 inch
Fw Diameter under rollers 22 inch
C Width outer ring 15.8 inch
C Basic dynamic load rating 14.2 lbs
C0 Basic static load rating 17.6 lbs
Fr Maximum dynamic radial load 12 lbs
F0r Maximum static radial load 17.3 lbs
≈m Weight 0.088 lbs
RSTO20X
D Outside diameter 47 inch
Fw Diameter under rollers 25 inch
C Width outer ring 15.8 inch
C Basic dynamic load rating 16.1 lbs
C0 Basic static load rating 21.2 lbs
Fr Maximum dynamic radial load 18.6 lbs
F0r Maximum static radial load 26.5 lbs
≈m Weight 0.13 lbs
RSTO25X
D Outside diameter 52 inch
Fw Diameter under rollers 30 inch
C Width outer ring 15.8 inch
C Basic dynamic load rating 16.5 lbs
C0 Basic static load rating 22.8 lbs
Fr Maximum dynamic radial load 18 lbs
F0r Maximum static radial load 26 lbs
≈m Weight 0.15 lbs
RSTO30X
D Outside diameter 62 inch
Fw Diameter under rollers 38 inch
C Width outer ring 19.8 inch
C Basic dynamic load rating 22.9 lbs
C0 Basic static load rating 34.5 lbs
Fr Maximum dynamic radial load 23.6 lbs
F0r Maximum static radial load 33.5 lbs
≈m Weight 0.255 lbs
RSTO35X
D Outside diameter 72 inch
Fw Diameter under rollers 42 inch
C Width outer ring 19.8 inch
C Basic dynamic load rating 24.6 lbs
C0 Basic static load rating 39 lbs
Fr Maximum dynamic radial load 36 lbs
F0r Maximum static radial load 51 lbs
≈m Weight 0.375 lbs
RSTO40X
D Outside diameter 80 inch
Fw Diameter under rollers 50 inch
C Width outer ring 19.8 inch
C Basic dynamic load rating 23.8 lbs
C0 Basic static load rating 39 lbs
Fr Maximum dynamic radial load 34.5 lbs
F0r Maximum static radial load 49 lbs
≈m Weight 0.42 lbs
RSTO45X
D Outside diameter 85 inch
Fw Diameter under rollers 55 inch
C Width outer ring 19.8 inch
C Basic dynamic load rating 25.1 lbs
C0 Basic static load rating 43 lbs
Fr Maximum dynamic radial load 34.5 lbs
F0r Maximum static radial load 50 lbs
≈m Weight 0.453 lbs
RSTO50X
D Outside diameter 90 inch
Fw Diameter under rollers 60 inch
C Width outer ring 19.8 inch
C Basic dynamic load rating 26 lbs
C0 Basic static load rating 45.5 lbs
Fr Maximum dynamic radial load 34.5 lbs
F0r Maximum static radial load 50 lbs
≈m Weight 0.481 lbs
Outside diameter
D
16 inch
Diameter under rollers
Fw
7 inch
Width outer ring
C
7 inch
Basic dynamic load rating
C
2.51 lbs
Basic static load rating
C0
2.55 lbs
Maximum dynamic radial load
Fr
3.55 lbs
Maximum static radial load
F0r
5 lbs
Weight
≈m
0.009 lbs
Outside diameter
D
19 inch
Diameter under rollers
Fw
10 inch
Width outer ring
C
9.8 inch
Basic dynamic load rating
C
3.74 lbs
Basic static load rating
C0
4.5 lbs
Maximum dynamic radial load
Fr
4.25 lbs
Maximum static radial load
F0r
6.1 lbs
Weight
≈m
0.013 lbs
Outside diameter
D
24 inch
Diameter under rollers
Fw
12 inch
Width outer ring
C
9.8 inch
Basic dynamic load rating
C
4.13 lbs
Basic static load rating
C0
5.4 lbs
Maximum dynamic radial load
Fr
7.5 lbs
Maximum static radial load
F0r
10.8 lbs
Weight
≈m
0.021 lbs
Outside diameter
D
30 inch
Diameter under rollers
Fw
14 inch
Width outer ring
C
11.8 inch
Basic dynamic load rating
C
8.25 lbs
Basic static load rating
C0
8.8 lbs
Maximum dynamic radial load
Fr
8.5 lbs
Maximum static radial load
F0r
12.2 lbs
Weight
≈m
0.042 lbs
Outside diameter
D
32 inch
Diameter under rollers
Fw
16 inch
Width outer ring
C
11.8 inch
Basic dynamic load rating
C
8.8 lbs
Basic static load rating
C0
9.8 lbs
Maximum dynamic radial load
Fr
8.3 lbs
Maximum static radial load
F0r
12 lbs
Weight
≈m
0.049 lbs
Outside diameter
D
35 inch
Diameter under rollers
Fw
20 inch
Width outer ring
C
11.8 inch
Basic dynamic load rating
C
9.13 lbs
Basic static load rating
C0
10.6 lbs
Maximum dynamic radial load
Fr
7.1 lbs
Maximum static radial load
F0r
10 lbs
Weight
≈m
0.05 lbs
Outside diameter
D
40 inch
Diameter under rollers
Fw
22 inch
Width outer ring
C
15.8 inch
Basic dynamic load rating
C
14.2 lbs
Basic static load rating
C0
17.6 lbs
Maximum dynamic radial load
Fr
12 lbs
Maximum static radial load
F0r
17.3 lbs
Weight
≈m
0.088 lbs
Outside diameter
D
47 inch
Diameter under rollers
Fw
25 inch
Width outer ring
C
15.8 inch
Basic dynamic load rating
C
16.1 lbs
Basic static load rating
C0
21.2 lbs
Maximum dynamic radial load
Fr
18.6 lbs
Maximum static radial load
F0r
26.5 lbs
Weight
≈m
0.13 lbs
Outside diameter
D
52 inch
Diameter under rollers
Fw
30 inch
Width outer ring
C
15.8 inch
Basic dynamic load rating
C
16.5 lbs
Basic static load rating
C0
22.8 lbs
Maximum dynamic radial load
Fr
18 lbs
Maximum static radial load
F0r
26 lbs
Weight
≈m
0.15 lbs
Outside diameter
D
62 inch
Diameter under rollers
Fw
38 inch
Width outer ring
C
19.8 inch
Basic dynamic load rating
C
22.9 lbs
Basic static load rating
C0
34.5 lbs
Maximum dynamic radial load
Fr
23.6 lbs
Maximum static radial load
F0r
33.5 lbs
Weight
≈m
0.255 lbs
Outside diameter
D
72 inch
Diameter under rollers
Fw
42 inch
Width outer ring
C
19.8 inch
Basic dynamic load rating
C
24.6 lbs
Basic static load rating
C0
39 lbs
Maximum dynamic radial load
Fr
36 lbs
Maximum static radial load
F0r
51 lbs
Weight
≈m
0.375 lbs
Outside diameter
D
80 inch
Diameter under rollers
Fw
50 inch
Width outer ring
C
19.8 inch
Basic dynamic load rating
C
23.8 lbs
Basic static load rating
C0
39 lbs
Maximum dynamic radial load
Fr
34.5 lbs
Maximum static radial load
F0r
49 lbs
Weight
≈m
0.42 lbs
Outside diameter
D
85 inch
Diameter under rollers
Fw
55 inch
Width outer ring
C
19.8 inch
Basic dynamic load rating
C
25.1 lbs
Basic static load rating
C0
43 lbs
Maximum dynamic radial load
Fr
34.5 lbs
Maximum static radial load
F0r
50 lbs
Weight
≈m
0.453 lbs
Outside diameter
D
90 inch
Diameter under rollers
Fw
60 inch
Width outer ring
C
19.8 inch
Basic dynamic load rating
C
26 lbs
Basic static load rating
C0
45.5 lbs
Maximum dynamic radial load
Fr
34.5 lbs
Maximum static radial load
F0r
50 lbs
Weight
≈m
0.481 lbs
Outside diameter
D
16 inch
Diameter under rollers
Fw
7 inch
Width outer ring
C
7.8 inch
Basic dynamic load rating
C
2.51 lbs
Basic static load rating
C0
2.5 lbs
Maximum dynamic radial load
Fr
3.55 lbs
Maximum static radial load
F0r
5 lbs
Weight
≈m
0.009 lbs
Outside diameter
D
19 inch
Diameter under rollers
Fw
10 inch
Width outer ring
C
9.8 inch
Basic dynamic load rating
C
3.74 lbs
Basic static load rating
C0
4.5 lbs
Maximum dynamic radial load
Fr
4.25 lbs
Maximum static radial load
F0r
6.1 lbs
Weight
≈m
0.013 lbs
Outside diameter
D
24 inch
Diameter under rollers
Fw
12 inch
Width outer ring
C
9.8 inch
Basic dynamic load rating
C
4.13 lbs
Basic static load rating
C0
5.4 lbs
Maximum dynamic radial load
Fr
7.5 lbs
Maximum static radial load
F0r
10.8 lbs
Weight
≈m
0.021 lbs
Outside diameter
D
30 inch
Diameter under rollers
Fw
14 inch
Width outer ring
C
11.8 inch
Basic dynamic load rating
C
8.25 lbs
Basic static load rating
C0
8.8 lbs
Maximum dynamic radial load
Fr
8.5 lbs
Maximum static radial load
F0r
12.2 lbs
Weight
≈m
0.042 lbs
Outside diameter
D
32 inch
Diameter under rollers
Fw
16 inch
Width outer ring
C
11.8 inch
Basic dynamic load rating
C
8.8 lbs
Basic static load rating
C0
9.8 lbs
Maximum dynamic radial load
Fr
8.3 lbs
Maximum static radial load
F0r
12 lbs
Weight
≈m
0.049 lbs
Outside diameter
D
35 inch
Diameter under rollers
Fw
20 inch
Width outer ring
C
11.8 inch
Basic dynamic load rating
C
9.13 lbs
Basic static load rating
C0
10.6 lbs
Maximum dynamic radial load
Fr
7.1 lbs
Maximum static radial load
F0r
10 lbs
Weight
≈m
0.05 lbs
Outside diameter
D
40 inch
Diameter under rollers
Fw
22 inch
Width outer ring
C
15.8 inch
Basic dynamic load rating
C
14.2 lbs
Basic static load rating
C0
17.6 lbs
Maximum dynamic radial load
Fr
12 lbs
Maximum static radial load
F0r
17.3 lbs
Weight
≈m
0.088 lbs
Outside diameter
D
47 inch
Diameter under rollers
Fw
25 inch
Width outer ring
C
15.8 inch
Basic dynamic load rating
C
16.1 lbs
Basic static load rating
C0
21.2 lbs
Maximum dynamic radial load
Fr
18.6 lbs
Maximum static radial load
F0r
26.5 lbs
Weight
≈m
0.13 lbs
Outside diameter
D
52 inch
Diameter under rollers
Fw
30 inch
Width outer ring
C
15.8 inch
Basic dynamic load rating
C
16.5 lbs
Basic static load rating
C0
22.8 lbs
Maximum dynamic radial load
Fr
18 lbs
Maximum static radial load
F0r
26 lbs
Weight
≈m
0.15 lbs
Outside diameter
D
62 inch
Diameter under rollers
Fw
38 inch
Width outer ring
C
19.8 inch
Basic dynamic load rating
C
22.9 lbs
Basic static load rating
C0
34.5 lbs
Maximum dynamic radial load
Fr
23.6 lbs
Maximum static radial load
F0r
33.5 lbs
Weight
≈m
0.255 lbs
Outside diameter
D
72 inch
Diameter under rollers
Fw
42 inch
Width outer ring
C
19.8 inch
Basic dynamic load rating
C
24.6 lbs
Basic static load rating
C0
39 lbs
Maximum dynamic radial load
Fr
36 lbs
Maximum static radial load
F0r
51 lbs
Weight
≈m
0.375 lbs
Outside diameter
D
80 inch
Diameter under rollers
Fw
50 inch
Width outer ring
C
19.8 inch
Basic dynamic load rating
C
23.8 lbs
Basic static load rating
C0
39 lbs
Maximum dynamic radial load
Fr
34.5 lbs
Maximum static radial load
F0r
49 lbs
Weight
≈m
0.42 lbs
Outside diameter
D
85 inch
Diameter under rollers
Fw
55 inch
Width outer ring
C
19.8 inch
Basic dynamic load rating
C
25.1 lbs
Basic static load rating
C0
43 lbs
Maximum dynamic radial load
Fr
34.5 lbs
Maximum static radial load
F0r
50 lbs
Weight
≈m
0.453 lbs
Outside diameter
D
90 inch
Diameter under rollers
Fw
60 inch
Width outer ring
C
19.8 inch
Basic dynamic load rating
C
26 lbs
Basic static load rating
C0
45.5 lbs
Maximum dynamic radial load
Fr
34.5 lbs
Maximum static radial load
F0r
50 lbs
Weight
≈m
0.481 lbs
TOLERANCES AND CLEARANCES

Bearing tolerances and clearances

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