NTN Bearing Adapter Shaft Hole Diameter d1 Dimension 55mm d2 Dimension 80mm B1 Dimension 62mm H2312X 1 pc

Catalogue number: H2312X Features: ● A combination of adapter sleeve, nut, and washer. Applications: ● Used to easily fix a tapered bore bearing to any position on the shaft. Specifications: ● Shaft bore diameter d1 (mm): 55 ● d2 dimension (mm): 80 ● B1 dimension (mm): 62 ● Compliant with JIS (Japanese Industrial Standards) Material/Finish: ● General structural rolled steel type 2 Caution: ● Tightening more than necessary can reduce the bearing clearance and deform the inner ring, causing heat generation and seizure accidents, so after tightening, turn the shaft by hand to check that it rotates smoothly.