6308-ZNRJEM
6300 Series Snap Ring Bearings
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Part No.
Part No.
6308-ZNRJEM
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
620 g
Tolerance class
ABEC 1 | ISO P0
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
40 mm
Bore diameter tolerance
-0.012mm to 0
Outside diameter
90 mm
Outside diameter tolerance
-0.015mm to 0
Width
23 mm
Width tolerance
-0.120mm to 0
Outer Ring Dimensions
Outer ring locating feature
Snap Ring (fitted)
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
915 lbf
Radial static load rating
5395 lbf
Limiting speed
7.5 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:
$ 12.34
/ each
In Stock
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6308-ZNRJEM Bearing Product Overview & Core Advantages
The 6308-ZNRJEM is a single row deep groove ball bearing designed for exceptional radial load capacity and reliable performance in demanding applications. Its key advantage lies in the integrated snap ring on the outer ring, which provides secure axial location within the housing, simplifying assembly and reducing overall system costs. Manufactured to ABEC 1 | ISO P0 tolerance standards, this bearing ensures consistent operation and is an ideal choice for applications requiring robust support and straightforward installation.
Model Code In-Depth Analysis
| Suffix | Technical Meaning |
|---|---|
| ZNR | Indicates the bearing has a snap ring groove on the outer ring and is supplied with a snap ring fitted. This feature secures the bearing axially in the housing. |
| JEM | Specifies the snap ring material and type. In this context, it confirms the supplied snap ring is designed for secure fitting and reliable performance. |
6308-ZNRJEM Bearing Structural Features & Performance Benefits
- Snap Ring Location: The outer ring is machined with a groove and is supplied with a fitted snap ring. This design provides positive axial location, preventing creep and simplifying housing design by eliminating the need for complex end caps or shoulders.
- High Radial Load Capacity: The single row deep groove construction is optimized to support significant radial loads (Dynamic: 915 lbf, Static: 5395 lbf), making it suitable for heavy-duty applications.
- Shielded Design: The bearing is equipped with shields (Z-type) that protect the internal components from large contaminants while helping to retain any subsequently added lubricant.
- Precision & Consistency: Built to ABEC 1 | ISO P0 tolerance class with a standard CN radial internal clearance, ensuring smooth running and predictable performance.
- Material Integrity: All core components—rings, balls, and cage—are manufactured from Chrome Steel, providing high strength, durability, and resistance to wear.
6308-ZNRJEM Bearing Typical Application Areas
This bearing is widely used in industrial machinery where secure axial location and high radial load support are critical. Common applications include:
- Electric Motors and Gearboxes
- Industrial Pumps and Compressors
- Material Handling Equipment (e.g., conveyor pulleys)
- Agricultural Machinery
- General Power Transmission Systems
