Overview
The Nachi 6213Z is a single-row, single-shielded deep groove ball bearing widely used in industrial machinery, motors, and automation equipment. The Nachi 6213Z combines proven deep groove design with a single metal shield (Z designation) to provide protection against dust and contamination while maintaining smooth operation. This bearing supports both radial and axial loads and is ideal for applications requiring straightforward installation and reliable performance across a range of speeds.
Key Features
- Single-row deep groove design for versatile radial and axial load capacity
- Single metal shield (Z) closure for dust and contamination protection
- Made in Japan by Nachi with precision engineering standards
- Suitable for high-speed operation with low torque startup
- Pre-lubricated and sealed—minimal maintenance required
- Interchangeable with equivalent NSK, SKF, and Koyo models
Technical Specifications
- Inner Diameter (Bore): 65 mm
- Outer Diameter: 120 mm
- Width (Thickness): 23 mm
- Bearing Type: Single-Row Deep Groove Ball Bearing
- Closure Type: Single Metal Shield (Z)
- Radial Clearance: C3 (standard)
- Material: Hardened steel (JIS SUJ2 inner ring)
- Cage Material: JIS SPCC steel
- Lubrication: Grease-filled (pre-lubricated)
- Weight: Approximately 0.98 kg (980 g)
- Condition: New in Box
Typical Applications
The Nachi 6213Z is commonly used in:
- Electric motor shafts and rotating equipment
- Industrial machinery and transmission systems
- Factory automation and conveyor systems
- Compressors, pumps, and fan assemblies
- Gearboxes and speed reducers
- General mechanical power transmission applications
Compatibility & Replacements
Compatible With
- Standard metric bearing housings and shaft systems (65 mm bore, 120 mm OD)
- Industrial machinery and equipment requiring deep groove ball bearings
- Motors, pumps, compressors, and general factory automation
- Equipment designed for C3 (standard) radial clearance
Replaces / Drop-In Replacement For
- NSK 6213Z
- SKF 6213Z
- Koyo 6213Z
- NTN 6213Z
- Other metric 65×120×23 deep groove ball bearings
Works With
- Open bearing housings (standard metric 65 mm bore)
- Sealed bearing applications (when paired with compatible seals)
- Grease-lubricated systems
- High-speed rotating shafts and spindles
- Equipment requiring metric ISO deep groove ball bearing specifications










