1028
1000 & 59000 Series Thin Section Thrust Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
1028
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
2.32 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
140 mm
Bore diameter tolerance
-0.025mm to 0
Outside diameter
185 mm
Outside diameter tolerance
-0.03mm to 0
Width
31 mm
Width tolerance
+0.025mm to -0.4mm
Chamfer dimension
0.5 mm
Ball & Washer Dimensions
Housing washer inner diameter
140.2 mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
6385 lbf
Axial static load rating
67391 lbf
Limiting speed
2 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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In Stock
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1028 Bearing Product Overview & Core Advantages
The 1028 metric thrust ball bearing is engineered for high-precision axial load applications. Designed exclusively to accommodate thrust loads along the shaft axis, this bearing delivers exceptional axial load capacity and reliable performance in demanding environments. Its open design allows for versatile lubrication options, making it suitable for systems requiring custom lubrication regimes. Manufactured from 52100 Chrome Steel for both rings and balls, it ensures high durability and consistent operation within a specified temperature range.
1028 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 1028 | Standard metric series designation for a thrust ball bearing. |
| Open (Seal Type) | No integral seals or shields. Requires external sealing and specific lubrication for the application. |
1028 Bearing Structural Features & Performance Benefits
- High Axial Load Capacity: The bearing's geometry and use of 52100 Chrome Steel components provide a high axial dynamic load rating of 6385 lbf and a substantial axial static load rating of 67391 lbf, making it robust for heavy thrust applications.
- Precision Ground Components: Tight dimensional tolerances on the bore diameter and outside diameter ensure precise shaft and housing fits, contributing to stable and accurate operation.
- Chrome Steel Cage: The standard cage material ensures reliable ball guidance and structural integrity at the bearing's limiting speed.
- Versatile Lubrication: The open seal type allows for the use of a wide range of lubricants, enabling optimization for specific speed and temperature conditions.
1028 Bearing Typical Application Areas
This bearing is ideal for machinery and systems that experience significant axial forces, including:
- Automotive Thrust Assemblies
- Heavy-Duty Industrial Gearboxes
- Machine Tool Tables and positioning systems
- Hydraulic Presses and jacks
- Marine Propulsion Systems
