Maintenance-free reciprocating impact resistant ball linear bearings with high dynamic load rating
Designed specifically for cross-belt sorters, AGV/AMR vehicles, automated warehouse stacker cranes, and palletizers, this is a core moving component for the efficient and stable operation of intelligent logistics systems.
Utilizing GCr15 high-carbon chromium bearing steel with integral quenching and hardening, and an optimized ball bearing circulation structure, it boasts a 25% increase in rated dynamic load, capable of withstanding high-frequency reciprocating impacts. Perfectly suited for the 24/7 continuous operation requirements of logistics production lines, its service life is 1.8 times longer than ordinary products.
Standard configuration includes double-contact dustproof seals, effectively blocking warehouse dust, paper scraps, and oil, significantly reducing maintenance frequency and downtime risk. Precision-ground raceways combined with high-precision steel balls achieve a friction coefficient as low as 0.001, a maximum linear speed of 5m/s, and operating noise below 45dB, significantly improving sorting and handling efficiency.
Standardized dimensions across the entire series ensure high interchangeability and easy installation. It can directly replace imported equivalent products, providing a reliable linear motion solution for intelligent logistics.
performance and economy.
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| Nominal shaft dia (mm) |
Designation Major dimensions and tolerance | |||||||||
| Asia Standard LM..UU |
Ball circuit |
Weight (9) |
LM..UUAJ | Weight (g) |
LM..UUOP | Ball circuit |
Weight (9) |
Tolerance(mm) | ||
| Precision | High | |||||||||
| 3 | LM3UU | 4 | 1.35 | - - | - | |||||
| 4 | LM4UU | 4 | 1.9 | - | 0 -0.005 |
0 -0.008 |
||||
| 5 | LM5UU | 4 | 4 | |||||||
| 6 | LM6UU | 4 | 8 | LM6-AJ 7.5 | ||||||
| 8 | LM8SUU | 4 | 11 | LM8-SAJ 10 | - | |||||
| 8 | LM8UU | 4 | 16 | LM8-AJ 14.7 | ||||||
| 10 | LM10UU | 4 | 30 | LM10-AJ 29 | LM10-OP | 3 | 23 | 0 -0.006 |
0 -0.009 |
|
| 12 | LM12UU | 5 | 31.5 | LM12-AJ 31 | LM12-OP | 3 | 25 | |||
| 13 | LM13UU | 5 | 43 | LM13-AJ 42 | LM13-OP | 3 | 34 | |||
| 16 | LM16UU | 5 | 69 | LM16-AJ 68 | LM16-OP | 3 | 52 | |||
| 20 | LM20UU | 6 | 87 | LM20-AJ 85 | LM20-OP | 4 | 69 | |||
| 25 | LM25UU | 6 | 220 | LM25-AJ 216 | LM25-OP | 5 | 188 | 0 -0.007 |
0 -0.0010 |
|
| 30 | LM30UU | 6 | 250 | LM30-AJ 245 | LM30-OP | 5 | 210 | |||
| 35 | LM35UU | 6 | 390 | LM35-AJ 384 | LM35-OP | 5 | 335 | |||
| 40 | LM40UU | 6 | 585 | LM40-AJ 579 | LM40-OP | 5 | 500 | 0 -0.008 |
0 -0.0012 |
|
| 50 | LM50UU | 6 | 1580 | LM50-AJ 1560 | LM50-OP | 5 | 1340 | |||
| 60 | LM60UU | 6 | 2000 | LM60-AJ 1820 | LM60-OP | 5 | 1610 | 0 | 0 | |
| 80 | LM80UU | 6 | 4420 | LM80-AJ 4300 | LM80-OP | 5 | 3650 | -0.009 | -0.0015 | |
| 100 | LM100UU | 6 | 8600 | LM100-AJ 8540 | LM100-OP | 5 | 7200 | 0 | 0 | |
| 120 | LM120UU | 8 | 14900 | LM120-AJ 14900 | LM120-OP | 6 | 11600 | -0.010 | -0.020 | |
| 150 | LM150UU | 8 | 20150 | LM150-AJ 20150 | LM150-OP | 6 | 15700 | 8.013 | -8.025 | |
| Nominal shaft dia (mm) |
Designation | Major dimensions and tolerance | |||||||
| Europe Standard LME..UU |
Ball circuit |
Weight (9) |
LME..UUAJ | Weight (9) |
LME..UUOP | Ball circuit |
Weight (g) |
Tolerance(mm) Precision High |
|
| 4 | LME4UU | 4 | 1.9 | - | |||||
| 5 | LME5UU | 4 | 11 | LME5-AJ | 一 | ||||
| 8 | LME8UU | 4 | 20 | LME8-AJ | - | - | +0.0080 | ||
| 10 | LME10UU | 4 | 29.5 | LME10-AJ | 29 | LME10-OP | 3 | 23 | |
| 12 | LME12UU | 5 | 41 | LME12-AJ | 40 | LME12-OP | 3 | 32 | |
| 16 | LME16UU | 5 | 57 | LME16-AJ | 56 | LME16-OP | 3 | 44 | +0.009 |
| 20 | LME20UU | 6 | 91 | LME20-AJ | 90 | LME20-OP | 4 | 75 | -0.001 |
| 25 | LME25UU | 6 | 215 | LME25-AJ | 212 | LME25-OP | 5 | 181 | +0.011 |
| 30 | LME30UU | 6 | 325 | LME30-AJ | 320 | LME30-OP | 5 | 272 | -0.001 |
| 40 | LME40UU | 6 | 705 | LME40-AJ | 694 | LME40-OP | 5 | 600 | |
| 50 | LME50UU | 6 | 1130 | LME50-AJ | 1110 | LME50-OP | 5 | 970 | +0.013 -0.002 |
| 60 | LME60UU | 6 | 2050 | LME60-AJ | 2000 | LME60-OP | 5 | 1580 | |
| 80 | LME80UU | 6 | 5140 | LME60-AJ | 4860 | LME60-OP | 5 | 4240 | +16 -4 |