chain-stretcher sprockets complete with ballbearing, ready for assembling
Chain-stretcher sprockets usually will be delivered with ballbearing for immediate assembling.
The ballbearings are both-sides sealed, equipped with longlasting lubrication and therefore
they need less (or neither) maintenance.
- ballbearing (type): Standard 203 KRRAH02
- wide inner ring enables perfect assembling without any spacer rings
- ball bearing and sprocket are hardly connected with press fit
- sprockets made from steel, consistency 490 – 600 N/mm²
- installed in the slack run/strand of the chain drive, these schain-stretcher sprockets will solve in optimal way all streching-problems