1-5/16" Take-up Ball Bearing Unit for UCT207-21, UCST207-21, ST-21, VTWS221 UCT207-105T UCT207-21 TBY-1-5/16-TM ST-21 Dimensions:Bore: 1-5/16" Bolt hole: .8661 in. (22mm) Overall length: 5.07 in. (129mm) Slot size: .531 in. (13.5mm) Width from slot to slot: 3.50 in. (89mm) For a precise fit and wise selection. Our trusted accessories keep your tools running smoothly. Please confirm your model above before ordering. Double-check dimensions and photos for the right fit. Quality assurance ：Well-designed, excellent processing. Made of highly durable materials, rigorously This is a manufacturer substitution. Functional equivalent to prior parts.Product Description Well-designed, excellent processing.tested, compact & sturdy, longevous. Ultra Durable, Quality Replacement.Made from durable high quality material and well-tested by the manufacturermade from durable high quality material and well-tested by the manufacture