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Support rollers (yoke-type track rollers) with two side plates and an 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 have a thick-walled outer ring with a profiled outer running surface and are supplied ready-to-mount. They can support high radial loads as well as axial loads arising from slight misalignment and skewed running. The inner ring contains a lubrication hole to facilitate relubrication.

They are available in several designs and variants:
• with crowned or cylindrical outer running surface
• with cage
• with two side plates
• high carbon chrome steel or stainless steel

PRODUCT FILTERS AND TABLE

Outside diameter (inch)

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Bore diameter (inch)

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Width inner ring (inch)

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Width outer ring (inch)

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Outer ring profile
Crowned
Cylindrical
Designation

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Designation Outside diameter Bore diameter Width inner ring Width outer ring Basic dynamic load rating Basic static load rating Maximum dynamic radial load Maximum static radial load Weight
D d B C C C0 Fr F0r ≈m
inch
inch
inch
inch
lbs
lbs
lbs
lbs
lbs
NAST25ZZR 52 25 16 15.8 16.5 22.8 18 26 0.225
NAST25ZZUUR 52 25 16 15.8 16.5 22.8 18 26 0.225
NAST30ZZ 62 30 20 19.8 22.9 34.5 23.6 33.5 0.4
NAST30ZZUU 62 30 20 19.8 22.9 34.5 23.6 33.5 0.4
NAST30ZZR 62 30 20 19.8 22.9 34.5 23.6 33.5 0.4
NAST30ZZUUR 62 30 20 19.8 22.9 34.5 23.6 33.5 0.4
NAST35ZZ 72 35 20 19.8 24.6 39 36 51 0.55
NAST35ZZUU 72 35 20 19.8 24.6 39 36 51 0.55
NAST35ZZR 72 35 20 19.8 24.6 39 36 51 0.55
NAST35ZZUUR 72 35 20 19.8 24.6 39 36 51 0.55
NAST40ZZ 80 40 20 19.8 23.8 39 34.5 49 0.71
NAST40ZZUU 80 40 20 19.8 23.8 39 34.5 49 0.71
NAST40ZZR 80 40 20 19.8 23.8 39 34.5 49 0.71
NAST40ZZUUR 80 40 20 19.8 23.8 39 34.5 49 0.71
NAST45ZZ 85 45 20 19.8 25.1 43 34.5 50 0.76
NAST45ZZUU 85 45 20 19.8 25.1 43 34.5 50 0.76
NAST45ZZR 85 45 20 19.8 25.1 43 34.5 50 0.76
NAST45ZZUUR 85 45 20 19.8 25.1 43 34.5 50 0.76
NAST50ZZ 90 50 20 19.8 26 45.5 34.5 50 0.83
NAST50ZZUU 90 50 20 19.8 26 45.5 34.5 50 0.83
NAST50ZZR 90 50 20 19.8 26 45.5 34.5 50 0.83
NAST50ZZUUR 90 50 20 19.8 26 45.5 34.5 50 0.83
NAST25ZZR
D Outside diameter 52 inch
d Bore diameter 25 inch
B Width inner ring 16 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 0.225 lbs
NAST25ZZUUR
D Outside diameter 52 inch
d Bore diameter 25 inch
B Width inner ring 16 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 0.225 lbs
NAST30ZZ
D Outside diameter 62 inch
d Bore diameter 30 inch
B Width inner ring 20 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 0.4 lbs
NAST30ZZUU
D Outside diameter 62 inch
d Bore diameter 30 inch
B Width inner ring 20 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 0.4 lbs
NAST30ZZR
D Outside diameter 62 inch
d Bore diameter 30 inch
B Width inner ring 20 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 0.4 lbs
NAST30ZZUUR
D Outside diameter 62 inch
d Bore diameter 30 inch
B Width inner ring 20 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 0.4 lbs
NAST35ZZ
D Outside diameter 72 inch
d Bore diameter 35 inch
B Width inner ring 20 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 0.55 lbs
NAST35ZZUU
D Outside diameter 72 inch
d Bore diameter 35 inch
B Width inner ring 20 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 0.55 lbs
NAST35ZZR
D Outside diameter 72 inch
d Bore diameter 35 inch
B Width inner ring 20 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 0.55 lbs
NAST35ZZUUR
D Outside diameter 72 inch
d Bore diameter 35 inch
B Width inner ring 20 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 0.55 lbs
NAST40ZZ
D Outside diameter 80 inch
d Bore diameter 40 inch
B Width inner ring 20 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 0.71 lbs
NAST40ZZUU
D Outside diameter 80 inch
d Bore diameter 40 inch
B Width inner ring 20 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 0.71 lbs
NAST40ZZR
D Outside diameter 80 inch
d Bore diameter 40 inch
B Width inner ring 20 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 0.71 lbs
NAST40ZZUUR
D Outside diameter 80 inch
d Bore diameter 40 inch
B Width inner ring 20 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 0.71 lbs
NAST45ZZ
D Outside diameter 85 inch
d Bore diameter 45 inch
B Width inner ring 20 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 0.76 lbs
NAST45ZZUU
D Outside diameter 85 inch
d Bore diameter 45 inch
B Width inner ring 20 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 0.76 lbs
NAST45ZZR
D Outside diameter 85 inch
d Bore diameter 45 inch
B Width inner ring 20 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 0.76 lbs
NAST45ZZUUR
D Outside diameter 85 inch
d Bore diameter 45 inch
B Width inner ring 20 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 0.76 lbs
NAST50ZZ
D Outside diameter 90 inch
d Bore diameter 50 inch
B Width inner ring 20 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 0.83 lbs
NAST50ZZUU
D Outside diameter 90 inch
d Bore diameter 50 inch
B Width inner ring 20 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 0.83 lbs
NAST50ZZR
D Outside diameter 90 inch
d Bore diameter 50 inch
B Width inner ring 20 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 0.83 lbs
NAST50ZZUUR
D Outside diameter 90 inch
d Bore diameter 50 inch
B Width inner ring 20 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 0.83 lbs
Outside diameter
D
52 inch
Bore diameter
d
25 inch
Width inner ring
B
16 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
0.225 lbs
Outside diameter
D
52 inch
Bore diameter
d
25 inch
Width inner ring
B
16 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
0.225 lbs
Outside diameter
D
62 inch
Bore diameter
d
30 inch
Width inner ring
B
20 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
0.4 lbs
Outside diameter
D
62 inch
Bore diameter
d
30 inch
Width inner ring
B
20 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
0.4 lbs
Outside diameter
D
62 inch
Bore diameter
d
30 inch
Width inner ring
B
20 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
0.4 lbs
Outside diameter
D
62 inch
Bore diameter
d
30 inch
Width inner ring
B
20 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
0.4 lbs
Outside diameter
D
72 inch
Bore diameter
d
35 inch
Width inner ring
B
20 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
0.55 lbs
Outside diameter
D
72 inch
Bore diameter
d
35 inch
Width inner ring
B
20 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
0.55 lbs
Outside diameter
D
72 inch
Bore diameter
d
35 inch
Width inner ring
B
20 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
0.55 lbs
Outside diameter
D
72 inch
Bore diameter
d
35 inch
Width inner ring
B
20 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
0.55 lbs
Outside diameter
D
80 inch
Bore diameter
d
40 inch
Width inner ring
B
20 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
0.71 lbs
Outside diameter
D
80 inch
Bore diameter
d
40 inch
Width inner ring
B
20 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
0.71 lbs
Outside diameter
D
80 inch
Bore diameter
d
40 inch
Width inner ring
B
20 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
0.71 lbs
Outside diameter
D
80 inch
Bore diameter
d
40 inch
Width inner ring
B
20 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
0.71 lbs
Outside diameter
D
85 inch
Bore diameter
d
45 inch
Width inner ring
B
20 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
0.76 lbs
Outside diameter
D
85 inch
Bore diameter
d
45 inch
Width inner ring
B
20 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
0.76 lbs
Outside diameter
D
85 inch
Bore diameter
d
45 inch
Width inner ring
B
20 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
0.76 lbs
Outside diameter
D
85 inch
Bore diameter
d
45 inch
Width inner ring
B
20 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
0.76 lbs
Outside diameter
D
90 inch
Bore diameter
d
50 inch
Width inner ring
B
20 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
0.83 lbs
Outside diameter
D
90 inch
Bore diameter
d
50 inch
Width inner ring
B
20 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
0.83 lbs
Outside diameter
D
90 inch
Bore diameter
d
50 inch
Width inner ring
B
20 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
0.83 lbs
Outside diameter
D
90 inch
Bore diameter
d
50 inch
Width inner ring
B
20 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
0.83 lbs
Tolerance and Clearance

Bearing tolerances and clearances

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