1.can drive with chain or belt
2.finish:carbon steel with zinc/plastic/rubber coated,or stainless steel
3.length, type various

1.can be used with chain sprocket to driving the machine

2. it usally be a part of conveyor, such as roller conveyor, which can bear a big capacity to carry goods

3.it has different types, such as single sprocket roller, or double sprocket roller; free roller; single V type groove roller; side wall roller , double O type grove roller

4.normally, it has carbon steel or stainless steel.

5.surface treatment: carbon steel with zinc/ plastic/ rubber coated

6.installation methods: no flat spring shaft; single flat spring shaft; inner screw shaft; outer screw shaft; flat shaft; two-pin shaft.

7.types: precise bearing; press bearing

8.Customer can provide the diameter, length, thickness, diameter of shaft to us if they know.