Rexroth 0670-230-40 Star Linear Ball Bushing 30mm Bore

The Rexroth 0670‑230‑40 STAR is a precision linear ball bushing designed for smooth, low‑friction linear motion on a 30 mm shaft. Featuring a closed, sealed, self‑aligning design, it is suitable for high‑accuracy industrial automation and linear guidance applications. Technical specifications: Manufacturer: Bosch Rexroth Manufacturer part number: 0670‑230‑40 Product type: Linear ball bushing Product line: STAR linear bearings Design: Closed type, sealed Self‑aligning feature: Yes Nominal shaft diameter: 30 mm Actual bore diameter: 30 mm Outer diameter: 47 mm Overall length: 68 mm Bearing type: Ball bushing with recirculating steel balls Seal type: Integrated end seals Housing style: Cylindrical press‑fit Load direction: Radial Coefficient of friction: Very low, rolling contact Lubrication: Pre‑lubricated, relubrication possible via shaft Operating temperature range (typical): −20…+80 °C Shaft tolerance: h6 recommended Housing tolerance: H7 recommended Material, outer sleeve: Hardened steel Material, balls: Bearing steel Noise level: Low, precision guidance Mounting: Press fit into housing or linear carriage Condition: New in original manufacturer packaging Applications: Linear motion systems, automation equipment, machine tools, handling systems Standards compliance: Bosch Rexroth STAR system specifications Country of manufacture: Germany