1108
1000 & 59000 Series Thin Section Thrust Ball Bearings
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Part No.
Part No.
1108
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
0.21 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
40 mm
Bore diameter tolerance
-0.012mm to 0
Outside diameter
64 mm
Outside diameter tolerance
-0.015mm to 0
Width
18 mm
Width tolerance
+0.02mm to -0.25mm
Chamfer dimension
0.5 mm
Ball & Washer Dimensions
Housing washer inner diameter
40.2 mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
1740 lbf
Axial static load rating
11095 lbf
Limiting speed
5.14 X 1000 rpm
Lubrication
Required
Materials
Ring material
52100 Chrome Steel
Ball material
52100 Chrome Steel
Cage material
Chrome Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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1108 Bearing Product Overview & Core Advantages
The 1108 thrust ball bearing is a metric single-direction thrust bearing engineered for applications requiring high axial load capacity in a compact design. Its primary function is to accommodate thrust loads along a single axis while permitting rotation between components. Manufactured from 52100 Chrome Steel, this bearing offers excellent durability and wear resistance. It is characterized by its high axial static and dynamic load ratings and is designed for scenarios demanding precise axial positioning and reliable performance under substantial thrust forces.
1108 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Interpretation |
|---|---|
| 1108 | Standard designation for a metric series thrust ball bearing. |
| Open (Seal Type) | The bearing is supplied without seals or shields, allowing for higher limiting speeds and requiring external lubrication systems for contaminated environments. |
1108 Bearing Structural Features & Performance Benefits
- High Axial Load Capacity: The robust construction and use of 52100 Chrome Steel for both rings and balls enable it to support high axial dynamic load ratings of 1740 lbf and exceptional axial static load ratings of 11095 lbf.
- Precision & Rigidity: Features tight dimensional tolerances on the bore diameter and outside diameter, ensuring precise shaft and housing fits for stable operation and accurate axial location.
- Compact Design: With a width of just 18 mm, this bearing provides a high load capacity in a minimal axial space, ideal for compact assemblies.
- High-Speed Capability: The open design and Chrome Steel cage contribute to a high limiting speed of 5,140 rpm, suitable for various high-speed applications.
1108 Bearing Typical Application Areas
This thrust ball bearing is ideally suited for machinery and equipment that experience significant axial loads, including:
- Automotive: Steering mechanisms, clutch release bearings.
- Industrial Machinery: Vertical pumps, machine tool spindles, and gearboxes.
- Agricultural Equipment: Power take-offs (PTOs), transmissions.
- General Engineering: Any application requiring reliable management of single-direction thrust loads.
