Sizes of Linear Bearing
| Bearing Code | Ball | Weight | Inner size(dr) | Outer size(D) | Length(L) |
| LM6UU | 4 rows | 8g | 6mm | 12mm | 19mm |
| LM8UU | 4 rows | 17g | 8mm | 15mm | 24mm |
| LM10UU | 4 rows | 30g | 10mm | 19mm | 29mm |
| LM12UU | 5 rows | 31.5g | 12mm | 21mm | 30mm |
| LM13UU | 5 rows | 43g | 13mm | 23mm | 32mm |
| LM16UU | 5 rows | 69g | 16mm | 28mm | 37mm |
| LM20UU | 5 rows | 87g | 20mm | 32mm | 42mm |
| LM25UU | 6 rows | 220g | 25mm | 40mm | 59mm |
| LM30UU | 6 rows | 250g | 30mm | 45mm | 64mm |
| LM35UU | 6 rows | 390g | 35mm | 52mm | 70mm |
| LM40UU | 6 rows | 585g | 40mm | 60mm | 80mm |
| LM50UU | 6 rows | 1580g | 50mm | 80mm | 100mm |
| LM60UU | 6 rows | 2000g | 60mm | 90mm | 110mm |
| LM80UU | 6 rows | 4520g | 80mm | 120mm | 140mm |