61905-2RZ/C2
618 & 619 Series Thin Section Bearings
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Part No.
Part No.
61905-2RZ/C2
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.043 kg
Tolerance class
ABEC 1 | ISO P0
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
22 X 1000 rpm
Lubrication
None
Radial internal clearance
C2
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Chrome 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/C2 Bearing Product Overview & Core Advantages
The 61905-2RZ/C2 is a metric single row deep groove ball bearing designed for high-performance applications requiring compact design and reliable operation. This sealed bearing excels in handling primarily radial loads and is characterized by its ABEC 1 precision class and C2 radial internal clearance. Its compact cross-section (9mm width) makes it ideal for space-constrained assemblies, while the integrated seals provide robust protection against contamination, ensuring long service life and consistent performance in demanding environments.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 61905 | Basic model number for a single row deep groove ball bearing with a 25mm bore and 42mm outside diameter. |
| 2RZ | Designates contact seals on both sides of the bearing. The "RZ" suffix indicates low-friction, nitrile rubber (NBR) contact seals, offering excellent protection against dust and moisture ingress. |
| /C2 | Specifies a radial internal clearance that is smaller than the normal (CN) group. The C2 clearance is beneficial for applications requiring precise shaft positioning and reduced noise and vibration levels. |
61905-2RZ/C2 Bearing Structural Features & Performance Benefits
- Robust Sealing for Enhanced Reliability: The 2RZ contact seals effectively shield the bearing's internals from contaminants like dust and dirt, significantly extending its operational life and making it suitable for harsh industrial environments. This contributes to its low-maintenance characteristics.
- Optimized Internal Clearance for Precision: The C2 radial internal clearance provides tighter internal tolerances, which minimizes axial play and is ideal for applications demanding high running accuracy, such as in precision instruments and electric motors.
- High-Quality Material Construction: Manufactured from chrome steel for rings, balls, and cage, this bearing ensures high strength, durability, and consistent performance under the specified dynamic and static load ratings.
- Compact and Lightweight Design: With a width of only 9mm and a weight of 0.043 kg, this bearing is an excellent choice for applications where saving space and reducing overall weight are critical design considerations.
61905-2RZ/C2 Bearing Typical Application Areas
The 61905-2RZ/C2 is engineered for a wide range of applications across various industries, including:
- Electric Motors: Small to medium-sized motors for appliances, power tools, and fans.
- Precision Instruments: Office automation equipment, medical devices, and optical instruments.
- Automotive Components: Auxiliary units such as idler pulleys, tensioners, and small pumps.
- General Industrial Machinery: Conveyor systems, gearboxes, and other machinery requiring reliable, sealed ball bearings.
