AUTOMOTIVE UNIVERSAL BALL BEARING SA6203PSL

Overview of SA6203PSL Automotive Ball Bearing

The SA6203PSL is a robust, sealed deep-groove ball bearing specifically engineered for demanding automotive accessory drives. Its design emphasizes long service life, quiet operation, and resilience against contamination and heat.

Key Specifications

• Bore Diameter: 17 mm

• Outer Diameter: 40 mm

• Width: 12 mm

• Dynamic Load Capacity: ≈9.95 kN

• Static Load Capacity: ≈4.75 kN

• Maximum Speed: Up to 24 000 RPM

• Weight: ~0.065 kg

Design Features

• Automotive-Grade Steel: Hardened chrome steel provides high fatigue resistance.

• Pressed-Steel Cage: Offers excellent dimensional stability and low vibration at high speeds.

• Snap-Ring Groove & Ring: Simplifies secure axial positioning in housings and assemblies.

• Dual-Seal Arrangement: A contact seal on one side and a metal shield on the opposite side keep grease in and debris out.

• Polyurea Grease Fill: Factory-packed grease ensures low noise levels and minimal maintenance.

• Internal Clearance (C3): Extra clearance compensates for thermal expansion and high-speed operation.

Typical Applications

• Alternator and starter motor shafts

• Power-steering pumps

• Water and oil pumps

• HVAC blower motors

• Other compact, high-speed automotive accessories

Interchange Equivalents

• SKF 6203-2RSL

• NSK 6203 DDU

• NTN 6203 LLU

This combination of precise dimensions, contamination-resistant sealing, and optimized grease fill makes the SA6203PSL an ideal choice for modern vehicles’ accessory drives, where reliability and quiet performance are paramount.

• Contact the sales department for more information.