6311-2RSH
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6311-2RSH
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
1.4 kg
Tolerance class
P6
Seal type
Sealed
For load direction
Radial
Main Dimensions
Bore diameter
55 mm
Bore diameter tolerance
-0.012mm to 0
Outside diameter
120 mm
Outside diameter tolerance
-0.013mm to 0
Width
29 mm
Width tolerance
-0.15mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
16658 lbf
Radial static load rating
10116 lbf
Limiting speed
3.8 X 1000 rpm
Lubrication
Grease
Radial internal clearance
CN
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
Price available upon request.
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6311-2RSH Bearing Product Overview & Core Advantages
The 6311-2RSH is a single row deep groove ball bearing designed for superior performance in demanding applications. Engineered with metric dimensions and manufactured to P6 tolerance class, this bearing delivers exceptional precision and reliability. Its key advantage lies in its ability to efficiently handle radial loads while offering robust construction for long service life. The sealed design (2RSH) provides excellent contamination protection, making it a versatile and durable choice for various industrial environments.
6311-2RSH Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 6311 | Basic bearing designation: 55 mm bore, 120 mm OD, 29 mm width |
| 2RSH | Contact seals on both sides, made of NBR rubber for superior sealing performance |
6311-2RSH Bearing Structural Features & Performance Benefits
- High Load Capacity: With a radial dynamic load rating of 16,658 lbf and static load rating of 10,116 lbf, this bearing provides reliable performance under significant radial stresses.
- Optimized Sealing: The 2RSH contact seals effectively prevent lubricant leakage and contaminant ingress, extending service life and reducing maintenance needs.
- Precision Engineering: Manufactured to P6 tolerance class with CN radial internal clearance, ensuring consistent performance and smooth operation.
- Premium Materials: Constructed with chrome steel rings and balls combined with a stainless steel cage for enhanced durability and corrosion resistance.
- Wide Temperature Range: Suitable for operating temperatures from -30°C to 120°C, accommodating various industrial environments.
6311-2RSH Bearing Typical Application Areas
- Electric Motors and generators requiring reliable radial load support
- Industrial Gearboxes and transmission systems
- Material Handling Equipment such as conveyor systems
- Agricultural Machinery and farm equipment
- Automotive Components including pumps and auxiliary drives
- General Industrial Machinery where sealed, maintenance-free operation is essential
