Koyo (JTEKT) RLS8ZZ – Single Row Deep Groove Ball Bearing

Also known as: LJ1-2Z

General Information

• Brand: Koyo (JTEKT)
• Item Number: RLS8ZZ
• Also Known As: LJ1-2Z
• EAN: 4549250045110
• Category: Single Row Deep Groove Ball Bearing
• Country of Origin: Japan

Dimensions & Weight

• Outer Diameter (D): 57.15 mm
• Inner Diameter: 25.4 mm
• Width (B): 15.88 mm / 0.625 in
• Weight: 0.175 kg

(Inner diameter was not provided in the source data, so it is not listed here.)

Bearing Properties

• Bore Type: C – Cylindrical bore
• Shields / Seals: ZZ / 2Z – Two metallic shields (steel shields on both sides)
• Cage Type: S – Steel / standard cage
• Radial Internal Clearance: CN – Normal internal play
• Precision Class: Standard precision
• Lubrication: Standard factory lubrication (shielded, non-relubricable)
• Heat Stabilization: Not heat stabilized – suitable for temperatures up to 120 °C
• Special Treatment: None
• External Modification: None

Suffix Description

• ZZ: Two metallic shields, providing protection against contamination while retaining lubricant inside the bearing.

Product Description

The Koyo RLS8ZZ is a single row deep groove ball bearing with metal shields on both sides, designed for applications requiring reliable, low-friction rotation with minimal maintenance.

Key characteristics:

• Deep groove design for high radial load capacity and moderate axial loads in both directions
• Double shielded (ZZ) to protect the internal components from dust and debris and retain grease
• Steel cage for durability and stable performance at standard operating speeds
• Suitable for general-purpose industrial and mechanical applications where a robust, shielded imperial-size bearing is required

   PACKAGE INCLUDES: ONE (1) Koyo Bearing RLS8 ZZ= LJ1-2Z