6328 M

6328 M

Single row deep groove ball bearings are particularly versatile, have low friction and are optimized for low noise and low vibration, which enables high rotational speeds. They accommodate radial and axial loads in both directions, are easy to mount, and require less maintenance than many other bearing types.Simple, versatile and robust designLow frictionHigh-speed capabilityAccommodate radial and axial loads in both directionsRequire little maintenance
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d

140 mm

D

300 mm

B

62 mm

d1

≈190.6 mm

D1

≈248.7 mm

r1,2

min.4 mm

Abutment dimensions - 6328 M

da

min.157 mm

Da

max.283 mm

ra

max.3 mm

C

251 kN

C0

245 kN

Pu

7.1 kN

 

4 800 r/min

 

4 300 r/min

kr

0.03

f0

13.6

Radial run-out


Deep groove ball bearings are versatile components designed for radial and axial load support in high-speed applications. Their single-row construction with uninterrupted raceways ensures smooth operation under combined loads, while the deep raceway geometry enhances radial load capacity. Precision-ground steel balls and rings minimize friction, reducing energy loss and heat generation. Available in shielded, sealed, or open configurations, these bearings accommodate diverse lubrication needs and contamination protection levels. Common materials include chrome steel for general use and stainless steel for corrosive environments, with optional polymer cages for noise reduction in electric motors.


These bearings excel in efficiency and durability, offering low torque for energy-sensitive applications like HVAC systems or electric vehicle drivetrains. Their ability to handle misalignment (up to 0.5 degree ) simplifies installation in shaft assemblies. With dynamic load ratings reaching 25 kN and speed factors (dn) exceeding 200,000 mm/min, they outperform many bearing types in rotational precision. Pre-greased variants eliminate relubrication needs in sealed units, and advanced sealing technologies (such as triple-lip contact seals) extend service intervals in dusty industrial environments like packaging machinery or conveyor systems.

Cross-Industry Implementation Examples
Widely utilized in automotive alternators, pump shafts, and household appliances (e.g., washing machine drums), deep groove ball bearings also power precision equipment like CNC spindle units and dental handpieces. Their compact design suits robotics joint actuators and drone propulsion systems where weight optimization is critical. In renewable energy applications, specially coated versions withstand moisture in wind turbine yaw systems. Food-grade variants with FDA-compliant lubricants operate reliably in bottling lines, while high-temperature models (up to 150 degree ) serve in oven conveyor rollers, demonstrating adaptability across sectors from aerospace to medical devices.

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