61972 MA
618 & 619 Series Thin Section Bearings
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Part No.
Part No.
61972 MA
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
28 kg
Tolerance class
P6
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
360 mm
Bore diameter tolerance
-0.03mm to 0
Outside diameter
480 mm
Outside diameter tolerance
-0.033mm to 0
Width
56 mm
Width tolerance
-0.4mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
65419 lbf
Radial static load rating
101164 lbf
Limiting speed
2 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:
$ 2096.53
/ each
In Stock
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61972 MA Bearing Product Overview & Core Advantages
The 61972 MA is a single row deep groove ball bearing engineered for exceptional performance in demanding industrial applications. This precision bearing is characterized by its open design and P6 tolerance class, ensuring high running accuracy and reliability. Its primary function is to support high radial loads, as evidenced by its substantial dynamic and static load ratings. Manufactured from high-grade chrome steel with a stainless steel cage, it offers excellent durability and corrosion resistance, making it a robust solution for high-speed machinery where uncompromising performance is critical.
61972 MA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 61972 | Basic bearing designation, indicating a single row deep groove ball bearing with a 360mm bore. |
| M | Denotes a machined brass cage, offering high strength and excellent guidance for high-speed applications. |
| A | Indicates internal design optimizations for enhanced load capacity and performance. |
61972 MA Bearing Structural Features & Performance Benefits
- High Load Capacity & Rigidity: The single row deep groove raceway and robust construction enable it to handle significant radial dynamic load rating of 65419 lbf and a radial static load rating of 101164 lbf, providing stable and reliable support.
- High-Speed Capability: The combination of the machined brass cage (M) and CN radial internal clearance allows for stable operation at high rotational speeds, with a limiting speed of 2000 rpm.
- Precision Performance: Manufactured to a P6 tolerance class with tight dimensional tolerances on the bore diameter (360 mm) and outside diameter (480 mm), ensuring precise shaft positioning and smooth operation.
- Durability & Material Integrity: Components made from chrome steel and a stainless steel cage provide high resistance to wear and fatigue, extending the bearing's service life even under continuous operation within a temperature range of -30° to 120 °C.
61972 MA Bearing Typical Application Areas
This bearing is ideally suited for heavy-duty industrial machinery requiring high precision and reliability. Key applications include:
- Industrial Gearboxes and large Electric Motors
- Heavy-duty Pumps and Compressors
- Main spindles in Large Machine Tools
- Rolling mill and other Material Handling Equipment
- Vibrating screens and other Construction Machinery
