1. SKF Original Sealed Design (2RS1)
Standard contact rubber seals on both sides
Effectively prevents ingress of dust, moisture, and other contaminants
Lifetime lubrication design enables maintenance-free operation
Significantly extends bearing service life
2. Optimized Internal Geometry
Enhanced raceway and rolling element design
Reduces friction and lowers energy consumption
Operates at lower temperatures, ideal for extended continuous operation
3. SKF-Exclusive Steel
Utilizes SKF proprietary bearing steel
Rigorous heat treatment process
Exceptional wear resistance and fatigue performance
4. High-Precision Manufacturing
Dimensional accuracy meets ISO tolerance grades
Superior rotational precision with low vibration levels
Particularly suited for applications demanding strict noise and vibration control
Basic Dimensions Load Capacity Limiting Speed
d = 17 mm Dynamic Load C = 11.7 kN Grease Lubrication ≈ 13,000 rpm
D = 47 mm Static Load C0 = 6.55 kN Oil Lubrication ≈ 26,000 rpm
B = 14 mm Fatigue Load Limit Pu = 0.28 kN
Reference Speed ≈ 26,000 rpm
Q1: How can I ensure the SKF 6303-2RS1 I purchase is genuine?
A: We are an authorized SKF distributor, sourcing all products through official SKF channels. Each bearing set comes with original SKF packaging, laser marking, and a certificate of conformity, providing complete traceability. If you have concerns about authenticity, please contact us to verify our authorization credentials.
Q2: What's the difference between 6303-2RS1 and 6303-2Z?
A: Both feature double-sided seals, but with different seal types:
2RS1: Contact rubber seals provide superior sealing performance, ideal for dusty or humid environments
2Z: Non-contacting metal dust shield with lower friction, suitable for extremely high-speed applications
Q3: Does this bearing require additional grease lubrication?
A: No. SKF 6303-2RS1 is factory-filled with high-quality grease. Its dual-seal design ensures lifetime lubrication without requiring additional grease, making it a maintenance-free bearing.
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