6312 NRJEM
6300 Series Snap Ring Bearings
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Part No.
Part No.
6312 NRJEM
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
1.76 kg
Tolerance class
ABEC 1 | ISO P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
60 mm
Bore diameter tolerance
-0.015mm to 0
Outside diameter
130 mm
Outside diameter tolerance
-0.018mm to 0
Width
31 mm
Width tolerance
-0.15mm to 0
Outer Ring Dimensions
Outer ring locating feature
Snap Ring (fitted)
Outside diameter of snap ring
139.7 mm
Width of snap ring
2.82 mm
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
19154 lbf
Radial static load rating
11690 lbf
Limiting speed
7 X 1000 rpm
Lubrication
None
Radial internal clearance
CN
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Chrome Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 26.14
/ each
In Stock
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6312 NRJEM Bearing Product Overview & Core Advantages
The 6312 NRJEM is a single row deep groove ball bearing engineered for exceptional radial load capacity and reliable performance in demanding industrial applications. Its open design allows for versatile lubrication options, while the integrated snap ring on the outer ring provides a secure and cost-effective axial location feature, simplifying housing design. Manufactured to ABEC 1 | ISO P0 tolerance standards, this bearing delivers consistent performance and is an ideal choice for general machinery requiring robust and dependable operation.
Model Code Breakdown
| Code Segment | Interpretation | Technical Significance |
|---|---|---|
| 6312 | Basic Bearing Number | Denotes a single row deep groove ball bearing with a 60 mm bore, 130 mm OD, and 31 mm width. |
| NR | Snap Ring Groove | Specifies that the outer ring has a groove to accommodate a snap ring for axial location. |
| JEM | Snap Ring Supplied | Indicates that the bearing is supplied with the snap ring fitted, ready for installation. |
6312 NRJEM Bearing Structural Features & Performance Benefits
- High Radial Load Capacity: The optimized deep groove raceway and chrome steel construction enable it to handle significant radial dynamic loads up to 19,154 lbf and radial static loads up to 11,690 lbf.
- Simplified Housing Design: The inclusion of the snap ring eliminates the need for complex housing shoulders or end caps, reducing assembly costs and parts count.
- Standard Precision & Clearance: Built to ABEC 1 (ISO P0) tolerance with a CN group radial internal clearance, ensuring smooth, low-vibration operation suitable for a wide range of general industrial applications.
- Versatile Operating Range: The open seal type and chrome steel cage allow for operation at a limiting speed of 7,000 rpm and within a temperature range of -30°C to 120°C.
6312 NRJEM Bearing Typical Application Areas
This bearing is commonly specified in applications where reliable radial load support and simplified axial location are paramount. Key sectors include:
- Electric Motors and Gearboxes
- Industrial Pumps and Fans
- Material Handling Equipment (Conveyors, Pulleys)
- Agricultural Machinery
- General Power Transmission Systems
