LM Series Automatic Transmission Standard Linear Ball Bearing
LM Series Automatic Transmission Standard Linear Ball Bearing
LM Series Automatic Transmission Standard Linear Ball Bearing

LM Series

LM Series standard linear sliding bearing is a high-performance linear motion component widely used in various mechanical and automation equipment. This series of bearings are made of high-quality steel and have excellent wear resistance and corrosion resistance, and can withstand high loads and speeds. Its structural design makes installation easy and is compatible with various guide rail systems to ensure smoothness and accuracy of linear motion. The inner and outer rings of LM series bearings are precision machined and matched with high-quality balls to reduce friction and improve operating efficiency. In addition, this series of bearings have good temperature adaptability and anti-pollution capabilities, and are suitable for working in harsh environments. They are ideal choices for industrial automation, robots, CNC machine tools and other fields. Through reasonable maintenance and upkeep, the service life of LM series bearings can be significantly extended, ensuring the stable operation of the equipment.

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LM Series Linear Ball Bearing: High-Speed Precision for Automatic Transmissions

The LM Series Automatic Transmission Standard Linear Ball Bearing is engineered for smooth, precise linear motion in demanding industrial applications. As a critical component in automated systems, our linear bearings deliver exceptional performance with minimal friction.

  • Precision-engineered for automatic transmission systems
  • Reduced friction design for smoother operation
  • High load capacity with minimal maintenance requirements
  • Corrosion-resistant materials for extended service life
  • Interchangeable with standard linear bearing models
Parameter Specification
Material High-carbon chromium bearing steel
Load Capacity Dynamic: 1.96kN, Static: 3.92kN
Operating Temperature -20°C to +120°C
Precision Grade P0, P6, P5 available
Standard Sizes LM6UU to LM50UU
Seal Type Double-shielded or rubber-sealed options

Our LM Series linear ball bearings are widely used in:

  • Automatic transmission systems in automotive manufacturing
  • CNC machines and precision machining equipment
  • 3D printers and additive manufacturing systems
  • Packaging machinery for smooth linear motion
  • Robotic arms and automation equipment

Why Choose Our Linear Ball Bearings?

Compared to conventional linear bearings, the LM Series Automatic Transmission Standard offers:

  • 30% longer service life through premium materials
  • 15% lower friction coefficient for energy efficiency
  • Precision tolerances (±0.01mm) for consistent performance
  • Easy installation with standard mounting dimensions
  • Cost-effective solution with minimal maintenance

Compatibility and Installation

The LM Series linear motion bearings are compatible with standard shafting and can replace most OEM linear bearing units. Our bearings feature:

  • Standard metric dimensions for easy replacement
  • Pre-lubricated for immediate use
  • Multiple sealing options for different environments

Ordering Information

Available in standard sizes from LM6UU to LM50UU. Custom configurations available for specialized applications in automatic transmission systems and industrial automation.

Product parameters

Resin retainer Nominal shaft diameter dr Major dimensions and tolerance Eccentricity Radial clearance (Max) Basic load rating(kN)
LM…UU Ball circuit Weight(Kg) LM…UU-AJ Ball circuit Weight LM…UU-OP Ball circuit Weight(Kg) mm mm Tolerance Tolerance D mm Tolerance(μm) L mm Tolerance(μm) B mm Tolerance(μm) W(mm) D1(mm) h(mm) h1(mm) θ Precision High Dynamic Static
LM3 4 1.35 3 3 0/-5 0/-8 7 0/-9 10 0/-120 4 8 -3 69 105
LM4 4 1.9 4 4 0/-5 0/-8 8 0/-9 12 0/-120 4 8 -3 88 127
LM5UU 4 4 5 5 0/-5 0/-8 10 0/-9 15 0/-120 10.2 0/-200 1.1 9.6 4 8 -3 167 206
LM6UU 4 7.6 LM6UU-AJ 4 7.5 6 6 0/-6 0/-9 12 0/-11 19 0/-200 13.5 0/-200 1.1 11.5 1 8 12 -3 206 265
LM8SUU 4 10.4 LM8SUU-AJ 4 10 8 8 0/-6 0/-9 15 0/-11 17 0/-200 11.5 0/-200 1.1 14.3 1 8 12 -3 176 216
LM8UU 4 15 LM8UU-AJ 4 14.7 8 8 0/-6 0/-9 15 0/-11 24 0/-200 17.5 0/-200 1.1 14.3 1 8 12 -3 274 392
LM10UU 4 29.5 LM10UU-AJ 4 29 LM10UU-OP 3 23 10 10 0/-6 0/-9 19 0/-13 29 0/-200 22 0/-200 1.3 18 1 6.8 80° 8 12 -4 372 549
LM12UU 4 31.5 LM12UU-AJ 4 31 LM12UU-OP 3 25 12 12 0/-6 0/-9 21 0/-13 30 0/-200 23 0/-200 1.3 20 1.5 8 80° 8 12 -4 510 784
LM13UU 4 43 LM13UU-AJ 4 42 LM13UU-OP 3 34 13 13 0/-6 0/-9 23 0/-13 32 0/-200 23 0/-200 1.3 22 1.5 9 80° 8 12 -4 510 784
LM16UU 5 69 LM16UU-AJ 5 68 LM16UU-OP 4 52 16 16 0/-6 0/-9 28 0/-13 37 0/-200 26.5 0/-200 1.6 27 1.5 11 80° 8 12 -6 774 1180
LM20UU 5 87 LM20UU-AJ 5 85 LM20UU-OP 4 69 20 20 0/-7 0/-10 32 0/-16 42 0/-200 30.5 0/-200 1.6 30.5 1.5 11 60° 10 15 -6 882 1370
LM25UU 6 220 LM25UU-AJ 6 216 LM25UU-OP 5 188 25 25 0/-7 0/-10 40 0/-16 59 0/-300 41 0/-300 1.85 38 2 12 50° 10 15 -6 980 1570
LM30UU 6 250 LM30UU-AJ 6 245 LM30UU-OP 5 210 30 30 0/-7 0/-10 45 0/-16 64 0/-300 44.5 0/-300 1.85 43 2.5 15 50° 10 15 -8 1570 2740
LM35UU 6 390 LM35UU-AJ 6 384 LM35UU-OP 5 335 35 35 0/-8 0/-12 52 0/-19 70 0/-300 49.5 0/-300 2.1 49 2.5 17 50° 12 20 -8 1670 3140
LM40UU 6 585 LM40UU-AJ 6 579 LM40UU-OP 5 500 40 40 0/-8 0/-12 60 0/-19 80 0/-300 60.5 0/-300 2.1 57 3 20 50° 12 20 -10 2160 420
LM50UU 6 1580 LM50UU-AJ 6 1560 LM50UU-OP 5 1340 50 50 0/-8 0/-12 80 0/-19 100 0/-300 74 0/-300 2.6 76.5 3 25 50° 12 20 -13 3820 7940
LM60UU 6 1860 LM60UU-AJ 6 1820 LM60UU-OP 5 1610 60 60 0/-9 0/-15 90 0/-22 110 0/-300 85 0/-300 3.15 86.5 3 30 50° 17 25 -13 4700 100
LM80UU 6 4420 LM80UU-AJ 6 4300 LM80UU-OP 5 3650 80 80 0/-9 0/-15 120 0/-22 140 0/-400 105.5 0/-400 4.15 116 3 40 50° 17 25 -20 7350 160
LM100UU 6 8600 LM100UU-AJ 6 8540 LM100UU-OP 5 7200 100 100 0/-10 0/-20 150 0/-25 175 0/-400 125.5 0/-400 4.15 145 3 50 50° 20 30 -20 14100 34800
LM120UU 8 15000 LM120UU-AJ 8 14900 LM120UU-OP 6 11600 120 120 0/-10 0/-20 180 0/-25 200 0/-400 158.6 0/-400 4.15 175 3 85 80° 20 30 -25 16400 400
LM150UU 8 20250 LM150UU-AJ 8 20150 LM150UU-OP 6 15700 150 - -13 0/-25 210 -29 240 0/-400 170.6 0/-400 5.15 204 3 105 80° 25 40 -25 21100 54300

about Yinin

Shanghai Yinin Bearing and Transmission Company was founded in 2009 and has over 20 years of experience in the bearing field. We are China LM Series Automatic Transmission Standard Linear Ball Bearing manufacturers and offer custom LM Series Automatic Transmission Standard Linear Ball Bearing factory. Since 1999, starting from representing bearing manufacturers in China, we have exported different kinds of bearings. Nowadays we are developing one completed sales and manufacturing bearings group.

Industry Applications

Bearings also play a very important role in agricultural machinery. They are used to support rotatin...

Bearings are widely used in automobiles. They are the key supporting and rotating parts of many movi...

Used for support, height, angle, joint, and rotating parts of medical equipment.

Used for support, rotation, motor and compressor parts of household appliances.

Used for rotation and movement of support and guide parts of automation equipment

In building structures, bearings can be used to connect different structural components.

In the production process of food and beverages, pumps are needed to transport liquids and compresso...

Bearings are used in aircraft and spacecraft engines to support rotating components such as turbines...

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