Deep-groove precision ensures smooth operation with low friction at speeds up to 20 krpm.
Double shielded (ZZ) design balances contamination protection and high-speed performance.
High load capacity supports rugged industrial and automotive tasks.
Ready to use out-of-the-box with grease pre-lubrication.
Universal dimensions (12x37x12 mm) align with global standards (DIN 625-1), ensuring interchangeability
The 6301 ZZ MTM Deep Groove Ball Bearing, measuring 12 mm inner diameter x 37 mm outer diameter x 12 mm width, is a high-quality, double-shielded (ZZ) radial bearing specifically engineered for both radial and light axial loads in demanding industrial and automotive applications. Crafted from chrome steel (SAE‑52100/High Carbon Chrome Steel), it features pressed steel shields on both sides and is pre-lubricated with grease for immediate use.
Its precision deep-groove design ensures excellent performance under high rotational speeds (up to ~20,000 rpm), with minimized friction, noise, and vibration. It supports radial loads up to ~9900 lbf (4400 kgf) and dynamic load capacity near 9700 N. Ideal for electric motors, gearboxes, power tools, automation equipment, and more.
Type: Single-Row Deep Groove Ball Bearing
Seal: Double Metal Shields (ZZ)
Material: Chrome Steel (SAE‑52100)
Dimensions: 12 x 37 x 12 mm
Speed Rating: Up to 20,000 rpm
Radial Load Capacity: ~9,700 N
Precision Class: ISO Class 0 / ABEC‑1
Internal Clearance: CN (standard)
Weight: ~60 g
Q1: What does "ZZ" mean?
A: It means the bearing is double shielded with metal shields on both sides, ensuring protection from contamination while maintaining low friction
Q2: Can it handle both radial and axial loads?
A: Yes—the deep-groove design supports high radial loads and light bidirectional axial loads .
Q3: What operating RPM is it designed for?
A: Up to approximately 20,000 rpm (depending on lubrication and load conditions) .
Q4: What is the material and durability?
A: Made from high carbon chrome steel, offering excellent load capacity, wear resistance, and temperature tolerance up to ~120 °C .
Q5: Is it pre-lubricated?
A: Yes—it’s grease pre-lubricated, ready for immediate deployment in equipment .
Data sheet