Pillow Blocks
Self-Aligning Ball Bearings
Roller number: BS68413-4
Material: polyformaldehyde
Shape: flat
Inner diameter: 4mm
Outer diameter: 13mm
Width: 4mm
Bearing number: 684Z
Bearing size: 4x9x4mm
Lubrication: Grease
Features: high load long service life low noise smooth operation.
Applications: rowing machines door and window display cabinets. ETC.
4x13x4 mm POM roller embedded 684Z bearing plastic coated 4*13*4 nylon pulley 13 mm diameter BS68413-4 4 flat wheel