JEV track roller bearings include mast rollers and chain pulleys, and york type track rollers. They are essentially cylindrical roller or needle roller bearings which have a thick-walled outer race.The pulleys are available with a flat runner surface or a crowned one, which can be designed according to customer’s application. They can roll directly on thetray under heavy load and shock load. They are greased for life. Under normal operating conditions, they are maintenance-free, while they should be re-lubricated under severe working condition to prolong the working lifespan.Yoke type track rollers can support high radial loads and axial loads arising from misalignments and skewed running and are suitable for cam drives, slideways, conveying equipment etc. The bearings are available with or without an inner ring as well as in open and sealed versions.
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Principal Dimensions |
Bearing No. |
Basic Load Ratings |
Mass |
(mm) |
MBY |
(N) |
d |
D |
B |
KDD |
KDDU |
NPPU |
Cr |
Cor |
(kg) |
5 |
17 |
7 |
|
|
LR 50/5 NPPU |
1650 |
950 |
0.01 |
6 |
19 |
9 |
|
|
LR 50/6 NPPU |
2650 |
1310 |
0.02 |
7 |
22 |
10 |
|
|
LR 50/7 NPPU |
3300 |
1690 |
0.02 |
8 |
24 |
11 |
|
|
LR 50/8 NPPU |
4200 |
2360 |
0.03 |
10 |
28 |
12 |
LR 5000 KDD |
LR 5000 KDDU |
LR5000 NPPU |
4750 |
2850 |
0.03 |
32 |
14 |
LR 5200 KDD |
LR 5200 KDDU |
LR 5200 NPPU |
6800 |
4050 |
0.07 |
12 |
30 |
12 |
|
|
LR 5001 NPPU |
4950 |
3100 |
0.03 |
35 |
15.9 |
LR 5201 KDD |
LR 5201 KDDU |
LR 5201 NPPU |
8600 |
5100 |
0.08 |
42 |
19 |
LR 5301 KDD |
LR 5301 KDDU |
LR 5301 NPPU |
11300 |
7100 |
0.12 |
15 |
35 |
13 |
|
|
LR 5002 NPPU |
6500 |
4100 |
0.05 |
40 |
15.9 |
LR 5202 KDD |
LR 5202 KDDU |
LR 5202 NPPU |
9800 |
6200 |
0.11 |
47 |
19 |
LR 5302 KDD |
LR 5302 KDDU |
LR 5302 NPPU |
14600 |
9200 |
0.15 |
17 |
40 |
14 |
|
|
LR 5003 NPPU |
7700 |
5200 |
0.07 |
47 |
17.5 |
LR 5203 KDD |
LR 5203 KDDU |
LR 5203NPPU |
12600 |
8200 |
0.17 |
52 |
22.2 |
LR 5303 KDD |
LR 5303 KDDU |
LR 5303 NPPU |
17200 |
11100 |
0.21 |
20 |
47 |
16 |
|
|
LR 5004 NPPU |
11500 |
7700 |
0.12 |
52 |
20.6 |
LR 5204 KDD |
LR 5204 KDDU |
LR 5204 NPPU |
15800 |
10500 |
0.23 |
62 |
22.2 |
LR 5304 KDD |
LR 5304 KDDU |
LR 5304 NPPU |
21100 |
14500 |
0.34 |
25 |
52 |
16 |
|
|
LR 5005 NPPU |
11600 |
8100 |
0.15 |
62 |
20.6 |
LR 5205 KDD |
LR 5205 KDDU |
LR 5205 NPPU |
18500 |
13000 |
0.34 |
72 |
25.4 |
LR 5305 KDD |
LR 5305 KDDU |
LR 5305 NPPU |
27500 |
19500 |
0.5 |
30 |
62 |
19 |
|
|
LR 5006 NPPU |
15800 |
11800 |
0.25 |
72 |
23.8 |
LR 5206 KDD |
LR 5206 KDDU |
LR 5206 NPPU |
24600 |
21400 |
0.51 |
80 |
30.2 |
LR 5306 KDD |
LR 5306 KDDU |
LR 5306 NPPU |
36500 |
26500 |
0.67 |
35 |
68 |
20 |
|
|
LR 5007 NPPU |
17600 |
13100 |
0.3 |
80 |
27 |
LR 5207 KDD |
LR 5207 KDDU |
LR 5207 NPPU |
30500 |
22400 |
0.66 |
90 |
34.9 |
LR 5307 KDD |
LR 5307 KDDU |
LR 5307 NPPU |
44500 |
33000 |
0.97 |
40 |
75 |
21 |
|
|
LR 5008 NPPU |
18400 |
14600 |
0.37 |
85 |
30.2 |
LR 5208 KDD |
LR 5208 KDDU |
LR 5208 NPPU |
34500 |
25500 |
0.75 |
100 |
36.5 |
LR 5308 KDD |
LR 5308 KDDU |
LR 5308 NPPU |
56000 |
42000 |
1.2 |