61905-2RZ
618 & 619 Series Thin Section Bearings
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Part No.
Part No.
61905-2RZ
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.045 kg
Tolerance class
P6
Seal type
Sealed
For load direction
Radial
Main Dimensions
Bore diameter
25 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
42 mm
Outside diameter tolerance
-0.009mm to 0
Width
9 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
1578 lbf
Radial static load rating
967 lbf
Limiting speed
18 X 1000 rpm
Lubrication
Grease
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:
$ 16.91
/ each
In Stock
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61905-2RZ Bearing Product Overview & Core Advantages
The 61905-2RZ is a metric single row deep groove ball bearing designed for high-performance applications requiring reliable operation in compact spaces. This sealed bearing excels in handling radial loads and offers high-speed capabilities. Its key advantages include a compact cross-section, superior running accuracy due to its P6 tolerance class, and long service life enabled by integrated seals and pre-applied grease lubrication, making it an ideal choice for applications demanding precision and reliability.
61905-2RZ Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 61905 | Basic bearing designation for a single row deep groove ball bearing with a 25 mm bore and 42 mm outside diameter. |
| 2RZ | Designates contact seals on both sides of the bearing. The "RZ" suffix indicates low-friction seals made of nitrile rubber (NBR), providing effective protection against contaminants. |
61905-2RZ Bearing Structural Features & Performance Benefits
- Robust Construction & High Precision: Manufactured from chrome steel rings and balls with a stainless steel cage, this bearing ensures durability and consistent performance. The P6 tolerance class guarantees high running accuracy and dimensional stability.
- Effective Sealing & Contamination Protection: The 2RZ contact seals effectively shield the internal components from dust, moisture, and other contaminants, significantly extending the bearing's operational life in demanding environments.
- Optimized for Speed & Load: With a limiting speed of 18,000 rpm and a dynamic load rating of 1578 lbf, this bearing is engineered for high-speed applications requiring reliable support for radial loads.
- Maintenance-Free Operation: Pre-lubricated with grease and sealed for life, the bearing requires no relubrication, reducing maintenance needs and total cost of ownership.
- Wide Operating Temperature Range: Suitable for use in temperatures from -30°C to 120°C, offering flexibility for various industrial conditions.
61905-2RZ Bearing Typical Application Areas
This versatile bearing is commonly specified in:
- Electric Motors and Small Gearboxes
- Precision Instruments and Medical Devices
- Office Automation Equipment such as Printers and Copiers
- Cooling Fans and Small Appliance Motors
- Various Industrial Machinery requiring compact, high-speed bearings
