Wrap-Up Next 0731-FD HD Precision 740 Bearing (4pcs)

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4mm diameter, shaft effective length 15mm This is a single bearing set used in the HD Precision Upper Arm.

This is a high performance 740 size bearing manufactured in accordance with the JIS standards of major domestic bearing manufacturers.

Improve arm performance with smooth operation, axis accuracy, and excellent durability. Contains 4 pieces.

How to attach to old upper arm

■For HD upper arm Ver2 4mm shaft specification Use only 2mm of spacer for caster adjustment.

■HD Upper Arm BB EDITION For 4mm shaft specifications Remove all the caster adjustment spacers and the spacer inside the bearing on one side.

To adjust the caster, insert a spacer into the shaft fixing part.