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Model: LR Bearings
Brand: MBY
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LR Bearings

Product Description
MBY 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