DSK rollers extra heavy duty
PRECISMECA / RULMECA GROUP Heavy Duty Rollers are designed for heavy duty open mining applications. The heavy duty PRECISMECA / RULMECA GROUP rollers are assembled with bearing sizes 6308-6312.
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MORE INFO
PRECISMECA / RULMECA GROUP Heavy Duty Rollers are designed for heavy duty open mining applications. Thanks to the high quality machined parts and a non contacting multi-chamber labyrinth seal, the rollers run with a whisper. The high quality machining process is a guarantee for a long service life of the PRECISMECA rollers - 8 years in operation 24 hours a day is not a rarity.
Return rollers with rings should not be used as belt tensioning devices.
MATERIAL SPECIFICATION
| Tubes: | To DIN 2458 with tight tolerances, electrically welded; ST37 to DIN 17100 | |
| Shafts: | ST37 | |
| Housings: | massive housing made of forged steel | |
| Bearing/Sealing: | deep groove precision ball bearings, (21310 / 21312 / 6310 / 6312 / 6316 / 6318); to DIN 625, triple lip labyrinth seal, heavy duty circlip cover cap - cold pressed deep drawn steel to DIN 1623/1624 and zinc plated |
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| Lubrication: | permanent for roller life; lithium grease NLGI 2 | |
| Corrosion protection: | wax oil, type resost 7-3; colour painting on request |
Main Features and Benefits
- All DSK rollers available with different shell thicknesses
- All DSK rollers available in mass limited version
- Massive bearing housings
- The use of precision steel tubes guarantees best radial run-out
- DSK rollers and garlands are available for belt speed up to 10 m/sec.
- Best suitable for impact roller
- Different laggings for hard and aggressive applications available
- Additional sealing for extreme environments deliverable
