Linear Bearing Bush - OP
The nut is partially cut open by one row of balls (50° to 80°). This enables the Linear Bushing to be used even in locations where the LM shaft is supported by a column or fulcrum. In addition, a clearance can easily be adjusted.
| Model No. | Ball rows | Main dimensions | Eccentricity (max) |
Radial clearance tolerance |
Basic load rating | Mass | ||||||||||||
| Inscribed bore diameter | Outer diameter | Length | L1 | Tolerance | L2 | D0 | h1 | θ° | Dynamic rating C |
Static rating C0 |
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| dr | Tolerance | D | Tolerance | L | Tolerance | |||||||||||||
| mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | µm | µm | N | N | g | |||
| LM12‑OP | 4 | 12 | 0 -0.009 |
21 | 0 -0.013 |
30 | 0 -0.2 |
23 | 0 -0.2 |
1.3 | 20 | 8 | 80 | 12 | -5 | 412 | 598 | 31.5 |
| LM13‑OP | 4 | 13 | 23 | 32 | 23 | 1.3 | 22 | 9 | 80 | 12 | -7 | 510 | 775 | 43 | ||||
| LM16‑OP | 5 | 16 | 28 | 37 | 26.5 | 1.6 | 27 | 11 | 60 | 12 | -7 | 775 | 1180 | 69 | ||||
| LM20‑OP | 5 | 20 | 0 -0.010 |
32 | 0 -0.016 |
42 | 30.5 | 1.6 | 30.5 | 11 | 60 | 15 | -9 | 863 | 1370 | 87 | ||
| LM25‑OP | 6 | 25 | 40 | 59 | 0 -0.3 |
41 | 0 -0.3 |
1.85 | 38 | 12 | 50 | 15 | -9 | 980 | 1570 | 220 | ||
| LM30‑OP | 6 | 30 | 45 | 64 | 44.5 | 1.85 | 43 | 15 | 50 | 15 | -9 | 1570 | 2750 | 250 | ||||
| LM35‑OP | 6 | 35 | 0 -0.012 |
52 | 0 -0.019 |
70 | 49.5 | 2.1 | 49 | 17 | 50 | 20 | -13 | 1670 | 3140 | 390 | ||
| LM40‑OP | 6 | 40 | 60 | 80 | 60.5 | 2.1 | 57 | 20 | 50 | 20 | -13 | 2160 | 4020 | 585 | ||||
| LM50‑OP | 6 | 50 | 80 | 0 -0.022 |
100 | 74 | 2.6 | 76.5 | 25 | 50 | 20 | -13 | 3820 | 7940 | 1580 | |||
| LM60‑OP | 6 | 60 | 0 -0.015 |
90 | 110 | 85 | 3.15 | 86.5 | 30 | 50 | 25 | -16 | 4710 | 10000 | 2000 | |||
| Model | Nominal shaft diameter (mm) | Case material | Retainer material | Seals |
| LM | 12 | GA | ||
| LM : metric Japan series | 3~60 | No symbol : Standard steel | No symbol : Resin*1 | No symbol: No seals |
| LME : metric Eupore series | M(G) : Stainless steel | GA : Metal | UU : Ends seals |