This SKF document presents the LLT series of profile rail guides. It describes the design, features and benefits, product overview, load rating definitions and technical data, along with carriages, rails and accessories.
The document also covers preload and accuracy classes, ordering key and examples, lubrication and maintenance, and typical application areas. It includes product data pages for LLTHC carriages and LLTHR rails plus specification sheet information.
| Ball rows | Four rows |
|---|---|
| Contact angle | 45° |
| Raceway arrangement | X-arrangement |
| Main dimensions standard | DIN 645-1 |
| Interchangeability | With all DIN-compliant brands |
| Factory pre-lubrication | Carriages are factory pre-lubricated |
| Lubrication ports | Metal threaded ports at both carriage ends |
| Basic dynamic load rating reference | 100 km |
The LLT uses four rows of balls with a 45° contact angle in an X-arrangement.
Yes. The carriages are factory pre-lubricated, and integrated lubricant reservoirs in the end plates constantly re-lubricate the circulating balls.
The main dimensions are in accordance with DIN 645-1, enabling interchangeability with all DIN-compliant brands.
It is based on a travelled distance of 100 km according to ISO 14728 Part 1.