61928 MA
618 & 619 Series Thin Section Bearings
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Part No.
Part No.
61928 MA
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
1.98 kg
Tolerance class
P6
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
140 mm
Bore diameter tolerance
-0.018mm to 0
Outside diameter
190 mm
Outside diameter tolerance
-0.020mm to 0
Width
24 mm
Width tolerance
-0.25mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
14905 lbf
Radial static load rating
16186 lbf
Limiting speed
5.6 X 1000 rpm
Lubrication
None
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
No drawings available at the moment, will be launched soon
Price:
$ 421.13
/ each
In Stock
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61928 MA Bearing Product Overview & Core Advantages
The 61928 MA is a single row deep groove ball bearing engineered for high-performance applications demanding precision and reliability. This metric bearing is characterized by its ability to accommodate primarily radial loads, making it a fundamental and versatile component in various mechanical systems. Manufactured to a P6 tolerance class, it offers superior dimensional accuracy and running precision. Its open design allows for versatile lubrication options, while its robust construction from chrome steel ensures durability and a long service life, operating effectively within a temperature range of -30° to 120 °C.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 61928 | Basic model number denoting a single row deep groove ball bearing with a 140mm bore and 190mm outside diameter. |
| M | Indicates a stainless steel cage, offering excellent corrosion resistance and suitability for higher speeds. |
| A | Signifies a specific internal design with optimized internal geometry for enhanced performance. |
61928 MA Bearing Structural Features & Performance Benefits
- High Precision & Rigidity: Built to a P6 tolerance class with strict dimensional control on the bore diameter (140 mm) and outside diameter (190 mm), this bearing ensures precise shaft guidance, minimal runout, and high system rigidity.
- Optimized Load Capacity: The deep groove raceway and high-quality chrome steel construction enable high radial dynamic load rating (14,905 lbf) and radial static load rating (16,186 lbf), providing reliable performance under demanding conditions.
- High-Speed Capability: The lightweight and durable stainless steel cage (M) minimizes centrifugal forces, contributing to a high limiting speed of 5,600 rpm.
- Versatile Application: The open seal type allows for the use of various lubricants to suit specific operational needs, from grease to oil circulation systems.
- Standard Internal Clearance: The CN radial internal clearance is the standard for most industrial applications, ensuring proper fit and performance under normal operating conditions.
61928 MA Bearing Typical Application Areas
This single row ball bearing is ideally suited for a wide range of industrial machinery and equipment requiring high precision and reliability, including:
- Electric Motors and Generators
- Gearboxes and Transmission Systems
- Industrial Pumps and Compressors
- Material Handling Equipment
- Precision Agricultural Machinery
