61909-2RZ
618 & 619 Series Thin Section Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
61909-2RZ
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.13 kg
Tolerance class
P6
Seal type
Sealed
For load direction
Radial
Main Dimensions
Bore diameter
45 mm
Bore diameter tolerance
-0.01mm to 0
Outside diameter
68 mm
Outside diameter tolerance
-0.011mm to 0
Width
12 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
3147 lbf
Radial static load rating
2428 lbf
Limiting speed
10 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:
$ 35.21
/ each
In Stock
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61909-2RZ Bearing Product Overview & Core Advantages
The 61909-2RZ is a metric single row deep groove ball bearing designed for precision applications requiring high reliability. This sealed bearing excels in handling radial loads and offers exceptional operational stability. Its compact design, featuring a 12mm width, makes it ideal for applications with space constraints. Manufactured with chrome steel rings and balls and a stainless steel cage, it delivers long service life and consistent performance under demanding conditions.
61909-2RZ Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 61909 | Basic model number for a single row deep groove ball bearing with a 45mm bore. |
| 2RZ | Indicates non-contact seals on both sides. The "2" signifies two seals, and "RZ" denotes low-friction, non-contact rubber seals, offering effective protection against contaminants with minimal impact on limiting speed. |
61909-2RZ Bearing Structural Features & Performance Benefits
- High Precision & Rigidity: Manufactured to P6 tolerance class with tight dimensional tolerances on the bore, outside diameter, and width, ensuring precise shaft positioning and high system rigidity.
- Robust Load Capacity: With a dynamic load rating of 3147 lbf and a static load rating of 2428 lbf, it is engineered to handle significant radial loads reliably.
- Optimized Speed Performance: The combination of a stainless steel cage and effective grease lubrication enables a high limiting speed of 10,000 rpm.
- Maintenance-Free Operation: The 2RZ seals and factory-preloaded grease provide long-term, maintenance-free operation, effectively excluding contaminants and retaining lubrication across a wide temperature range of -30°C to 120°C. The standard CN radial internal clearance is suitable for most common operating conditions.
61909-2RZ Bearing Typical Application Areas
This bearing is widely used in various precision machinery and industrial equipment, including:
- Electric Motors and Generators
- Gearboxes and Transmission Systems
- Industrial Pumps and Compressors
- Precision Spindles
- Material Handling Equipment
- Agricultural Machinery
