Overview
The NMB 629D is a miniature deep groove radial ball bearing designed for precision motion control in industrial automation, robotics, and mechanical power transmission systems. This bearing features a compact metric construction and delivers reliable, smooth operation under moderate radial loads.
Key Features
- Miniature metric deep groove ball bearing
- Sealed design with rubber contact seals on both sides
- Standard radial internal clearance for general-purpose applications
- Suitable for high-speed and precision motion control
- Compact dimensions ideal for space-constrained assemblies
Technical Specifications
- Bore Diameter: 9 mm
- Outer Diameter: 26 mm
- Width (Thickness): 8 mm
- Bearing Type: Deep Groove Radial Ball Bearing
- Series: 629 Miniature Series
- Seals: Rubber contact seals (DD designation)
- Internal Clearance: Normal radial clearance
- Material: Chrome steel (52100 or equivalent)
- Weight: Approximately 0.057 lb (26 grams)














