The 635Z bearing is a precision-engineered, single-row deep groove ball bearing designed for high-speed applications and moderate load support in both radial and axial directions. This model is equipped with metal shields (ZZ type) on both sides to protect against dust and particle contamination while retaining lubrication, thus extending the bearing's lifespan and reliability.
Bearing Number: 635Z
Type: Shielded (Single-row, Deep Groove)
Sealing Type: Metal Shields (ZZ)
Bore Diameter (d): 5 mm
Outer Diameter (D): 19 mm
Width (B): 6 mm
Precision Rating: ABEC-3 or equivalent
Cage Type: Steel
Material: High-grade Chrome Steel (SAE 52100)
Limiting Speed:
Grease Lubrication: Up to 36,000 RPM (depending on application)
Load Rating:
Dynamic Load: ~1,000 N
Static Load: ~480 N
High-Speed Capability: Designed to perform efficiently in high RPM environments, making it ideal for electric motors, tools, and robotics.
Durability: Made from high-carbon chromium steel, ensuring toughness and extended operational life.
Shielded Design: Metal shields on both sides help protect the bearing from light contamination and retain grease for longer intervals between maintenance.
Compact Profile: Small dimensions make it suitable for compact or miniaturized assemblies.
Low Friction: Polished raceways reduce rolling resistance and energy consumption.
3D Printers
Skateboards and Inline Skates
Miniature Electric Motors
RC Models and Drones
Precision Instruments
Conveyor Rollers
Medical and Lab Equipment
The 635Z is a trusted, high-quality component that blends speed, strength, and protection in a compact form factor. Its double-shielded design ensures long-lasting performance with minimal maintenance, making it a cost-effective solution for a broad spectrum of industrial and consumer-grade applications.
California Residents: read Proposition 65 .