LM Series Elastomer Sealed Linear Ball Bushings are for sale. Inner diameter is 16mm, chrome/stainless steel housing and ball bearing, good abrasion resistance, high precision and good resistance. Rubber seals prevent moisture and dirt ingress for long service life, a cost-effective solution for componets' straight-line movement.
Specifications

Nominal shaft diameter | Resin retainer | dr |
LM…UU | Ball circuit | Weight | LM…UU-AJ | Ball circuit | Weight | LM…UU-OP | Ball circuit | Weight | mm | Tolerance |
Precision | High |
8mm | LM8UU | 4 | 15g | LM8UU-AJ | 4 | 14.7g | - | - | - | 8 | 0 -6μm | 0 -9μm |
10mm | LM10UU | 4 | 29.5g | LM10UU-AJ | 4 | 29g | LM10UU-OP | 3 | 23g | 10 |
12mm | LM12UU | 4 | 31.5g | LM12UU-AJ | 4 | 31g | LM12UU-OP | 3 | 25g | 12 |
16mm | LM16UU | 5 | 69g | LM16UU-AJ | 5 | 68g | LM16UU-OP | 4 | 52g | 16 |
20mm | LM20UU | 5 | 87g | LM20UU-AJ | 5 | 85g | LM20UU-OP | 4 | 69g | 20 | 0 -7μm | 0 -10μm |
25mm | LM25UU | 6 | 220g | LM25UU-AJ | 6 | 216g | LM25UU-OP | 5 | 188g | 25 |
30mm | LM30UU | 6 | 250g | LM30UU-AJ | 6 | 245g | LM30UU-OP | 5 | 210g | 30 |
35mm | LM35UU | 6 | 390g | LM35UU-AJ | 6 | 384g | LM35UU-OP | 5 | 335g | 35 | 0 -8μm | 0 -12μm |
40mm | LM40UU | 6 | 585g | LM40UU-AJ | 6 | 579g | LM40UU-OP | 5 | 500g | 40 |
50mm | LM50UU | 6 | 1580g | LM50UU-AJ | 6 | 1560g | LM50UU-OP | 5 | 1340g | 50 |
60mm | LM60UU | 6 | 1860g | LM60UU-AJ | 6 | 1820g | LM60UU-OP | 5 | 1610g | 60 | 0 -9μm | 0 -15μm |
Major dimensions and tolerance | Eccentricity | Radial clearance (Max) | Basic load rating |
D | L | B | W | D1 | h | h1 | θ |
mm | Tolerance | mm | Tolerance | mm | Tolerance | Precision | High | Dynamic | Static |
15 | 0 -11μm | 24 | 0 -200μm | 17.5 | 0 -200μm | 1.1mm | 14.3mm | 1mm | - | - | 8μm | 12μm | -3μm | 274c N | 392co N |
19 | 0 -13μm | 29 | 22 | 1.3mm | 18mm | 1mm | 6.8mm | 80° | -4μm | 372c N | 549co N |
21 | 30 | 23 | 1.3mm | 20mm | 1.5mm | 8mm | 80° | 510c N | 784co N |
28 | 37 | 26.5 | 1.6mm | 27mm | 1.5mm | 11mm | 80° | -6μm | 774c N | 1180co N |
32 | 0 -16μm | 42 | 30.5 | 1.6mm | 30.5mm | 1.5mm | 11mm | 60° | 10μm | 15μm | 882c N | 1370co N |
40 | 59 | 0 -300μm | 41 | 0 -300μm | 1.85mm | 38mm | 2mm | 12mm | 50° | 980c N | 1570co N |
45 | 64 | 44.5 | 1.85mm | 43mm | 2.5mm | 15mm | 50° | -8μm | 1570c N | 2740co N |
52 | 0 -19μm | 70 | 49.5 | 2.1mm | 49mm | 2.5mm | 17mm | 50° | 12μm | 20μm | 1670c N | 3140co N |
60 | 80 | 60.5 | 2.1mm | 57mm | 3mm | 20mm | 50° | -10μm | 2160c N | 4020co N |
80 | 100 | 74 | 2.6mm | 76.5mm | 3mm | 25mm | 50° | -13μm | 3820c N | 7940co N |
90 | 0 -22μm | 110 | 85 | 3.15mm | 86.5mm | 3mm | 30mm | 50° | 17μm | 25μm | 4700c N | 10000co N |

Nominal shaft diameter | LN…LUU | Ball circuit | Major dimensions and tolerance |
dr | D | L | B | W | D1 |
mm | Tolerance | mm | Tolerance | mm | Tolerance | mm | Tolerance |
8mm | LM8LUU | 4 | 8 | 0 -10μm | 15 | -13μm | 45 | 0 -300μm | 35 | 0 -300μm | 1.1mm | 14.3mm |
10mm | LM10LUU | 4 | 10 | 19 | -16μm | 55 | 44 | 1.3mm | 18mm |
12mm | LM12LUU | 4 | 12 | 21 | 57 | 46 | 1.3mm | 20mm |
16mm | LM16LUU | 5 | 16 | 28 | 70 | 53 | 1.6mm | 27mm |
20mm | LM20LUU | 5 | 20 | 0 -12μm | 32 | -19μm | 80 | 61 | 1.6mm | 30.5mm |
25mm | LM25LUU | 6 | 25 | 40 | 112 | 0 -400μm | 82 | 0 -400μm | 1.85mm | 38mm |
30mm | LM30LUU | 6 | 30 | 45 | 123 | 89 | 1.85mm | 43mm |
35mm | LM35LUU | 6 | 35 | 0 -15μm | 52 | -22μm | 135 | 99 | 2.1mm | 49mm |
40mm | LM40LUU | 6 | 40 | 60 | 151 | 121 | 2.1mm | 57mm |
50mm | LM50LUU | 6 | 50 | 80 | 192 | 148 | 2.6mm | 76.5mm |
60mm | LM60LUU | 6 | 60 | 0 -20μm | 90 | -25μm | 209 | 170 | 3.15mm | 86.5mm |
Tips: Applications of ATO High-quality Linear Ball Bearings
Linear bearing is a high-precision linear motion system with low friction resistance. The linear bearing is used in combination with the guide shaft, and delivers linear motion through constant rolling of steel balls. Since the bearing ball is in point contact with the bearing, the use load is small. The steel ball rotates with minimal frictional resistance, so that high-precision and smooth motion can be obtained. Linear bearings are more and more widely used in precision equipment such as 3D printer, numerical control equipment, engraving machine, linear module, automobiles, textile, medical, food and packaging machinery, etc.
LM16UU linear ball bearings, nominal shaft diameter 16mm, outsider diameter 28mm, length 37mm, with rubber seals on both sides, featured with smooth movement, high rigidity and low friction. Easy to maintain or replace and have a good life span in service. Suitable for electronic equipment types, guide bar, drive shaft and abutment.