Bearings
Needle Roller Bearings
Combined Bearings
ZARF Series (Axial Cylindrical Roller)
Quick Code: BB-137193
ZARF50140-L-TV INA Needle Roller/Axial Cylindrical Roller Bearing
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Product Specification
Inside Dia (d)
50mm
Outside Dia (D)
140mm
Width (H)
103mm
Brand
INA
Quick Order Code
BB-137193
Product Description
The ZARF50140-L-TV INA Needle Roller/Axial Cylindrical Roller Bearing is a high-performance precision bearing specifically designed for complex industrial applications with challenging mounting and load requirements.
Product Construction
This advanced bearing comprises a sophisticated multi-component design:
- Outer ring with integrated radial and axial precision raceways
- Extended and stepped shaft locating washers (L-type variant)
- Robust inner ring
- Radial needle roller and cage assembly
- Axial cylindrical roller and cage assemblies
Key Technical Specifications
- Inside Diameter: 50mm
- Outside Diameter: 140mm
- Width: 103mm
- Manufacturer: INA
Unique Features
- Double-direction load capacity
- Mounting holes in outer ring for flexible installation
- Screw mounting options on adjacent constructions
- Compatible with radial locating bores
- Extended L-type design with specialized shaft locating washer
Special Design Considerations
The L-type variant is specifically engineered for applications where:
- Shaft locating washers lack adequate axial support from shaft shoulders
- Bearing unit sealing is challenging due to space constraints
- Complex mounting configurations are required
Recommended Applications
- Heavy industrial machinery
- Construction and mining equipment
- Precision mechanical systems
- Automotive and aerospace engineering
- Power transmission equipment
- Robotics and automated manufacturing systems
Ideal for environments demanding reliable bi-directional load support with exceptional mounting flexibility and precision engineering.
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