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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

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Outside diameter (mm)

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Width outer ring (mm)

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Outer ring profile
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Diameter under rollers (mm)

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

Bearing tolerances and clearances

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