WS4573 Inner Ring for Thrust Roller Bearing, Metric 45 mm ID x 73 mm OD, 5.5 mm Width, Single Piece Compatible with AZK45739 and AZ457320 for Linear Slide Units and Sealed Ball Bearing Applications

WS4573 inner ring for metric thrust roller bearing, single
✔️ 45 mm ID x 73 mm OD, 5.5 mm width, model WS4573, single piece

This inner ring is the metric inner race for a thrust roller bearing, typically used to handle axial loads in assemblies like linear slide units, gearboxes, and sealed ball bearing setups. Sold as a single piece.

✅ 45 mm inside diameter (ID), 73 mm outside diameter (OD), 5.5 mm overall width
✅ Model WS4573; WS Metric Series; suitable for use with AZK45739 and AZ457320
✅ Single piece, sold individually, UOM: each; SKU 861822; weight 0.240 lb
✅ Fits sealed ball bearing and linear slide unit applications; works with ceramic rollers

💡 What is an inner ring for a thrust roller bearing used for? It provides the raceway that supports axial loads and guides thrust rollers while reducing friction in axial load systems. Short intro: Here are common uses and benefits: - Provides a precise race for axial load transfer in sealed ball bearing and thrust assemblies. - Commonly used in linear slide units, machine spindles, and gearbox thrust stages. - Compatible with metal or ceramic rollers in precision applications. - Properly sized inner rings like 45 mm ID x 73 mm OD, 5.5 mm width ensure fit with references such as AZ457320 and AZK45739.