Reliable pressure ball bearing for precise rotation. Model 51317; compatible with 8317 variant. Supplied as 1 piece. Key specifications - Part numbers: 51317 and 8317 - Inner diameter: 85 mm - Outer diameter: 150 mm - Width: 49 mm - Quantity: 1 Why this bearing matters - Delivers smooth rotation under radial and axial loads, supporting reliable machine motion. - Standard dimensions make replacement straightforward in compatible housings and shafts. - Robust size provides stable support in demanding applications while maintaining alignment. Practical applications - Conveyor roller assemblies in manufacturing lines - Robotic joints or drive shaft supports in automation systems - Large-bore housings in machinery and agricultural equipment Notes - Material and tolerance details should be confirmed with the supplier to ensure fit and lubrication compatibility.