Black PU Metal Roller Pulley Skateboard Caster

=== Base Info ===

• Rolling Body：Ball Bearings
• The Number of Rows：Single
• Outer Dimension：Small (28-55mm)
• Material：Stainless Steel
• Load Direction：Radial Bearing
• Separated：Unseparated
• Bearing Number：Pulley Non Standard C695RS,Z
• Dimension(Mm)(I.D*O.D*H)：4.00*18.20*7.00*8.00
• Bearing Materials：Carbon Steel 45#
• Cover Matierials：PU, Ptr
• Rolling Element(Qty&Spec)：8*2.000
• Cage：PA66(Nylon), SPCC
• Seal：Rubber
• Lubrication：Hsb Low Noise Bearing Grease

=== Description ===