61856 TN9/W64
618 & 619 Series Thin Section Bearings
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Part No.
Part No.
61856 TN9/W64
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
6.39 kg
Tolerance class
ABEC 1 | ISO P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
280 mm
Bore diameter tolerance
-0.025mm to 0
Outside diameter
350 mm
Outside diameter tolerance
-0.028mm to 0
Width
33 mm
Width tolerance
-0.35mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
31024 lbf
Radial static load rating
44962 lbf
Limiting speed
2.2 X 1000 rpm
Lubrication
Soild Oil
Radial internal clearance
CN
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Nylon
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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61856 TN9/W64 Bearing Product Overview & Core Advantages
The 61856 TN9/W64 is a single row deep groove ball bearing designed for high-performance industrial applications requiring reliable radial load capacity and precision operation. Its key advantages include a robust Nylon cage for quiet, high-speed operation and advanced Soild Oil lubrication for extended service life across a wide temperature range. With a CN radial internal clearance and ABEC 1 | ISO P0 tolerance class, this bearing delivers consistent performance and is ideal for applications demanding high reliability and dimensional stability.
61856 TN9/W64 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 61856 | Basic bearing designation indicating a single row deep groove ball bearing with 280mm bore and 350mm outside diameter. |
| TN9 | Polyamide (Nylon) cage, glass fiber reinforced, providing excellent high-speed capability and reduced noise levels. |
| W64 | Indicates Soild Oil lubrication - a polymer-based solid lubricant offering maintenance-free operation and superior performance across the specified temperature range. |
61856 TN9/W64 Bearing Structural Features & Performance Benefits
- High-Speed Capability: The TN9 Nylon cage ensures stable operation at limiting speeds up to 2,200 rpm, reducing centrifugal forces and maintaining bearing integrity.
- Maintenance-Free Operation: Soild Oil lubrication provides consistent performance without re-lubrication needs, eliminating contamination risks and reducing maintenance costs.
- Precision Performance: Manufactured to ABEC 1 | ISO P0 tolerance standards with CN radial clearance for smooth, precise operation in various applications.
- Robust Construction: Chrome steel rings and balls combined with proper heat treatment ensure high durability and long service life under demanding conditions.
61856 TN9/W64 Bearing Typical Application Areas
- Electric Motors and generators requiring reliable radial support
- Industrial Gearboxes and transmission systems
- Material Handling Equipment including conveyor systems
- Agricultural Machinery and farm equipment
- Industrial Fans and blowers
- Pump Systems requiring maintenance-free operation
