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ZF 635370049 – Taper Roller Bearing K-LM48548/K-LM48510T 34.925×65.088×18.034 mm for ZF Gearboxes
The ZF 635370049 Taper Roller Bearing (K-LM48548/K-LM48510T) is a high-precision bearing designed for radial and axial loads in marine, industrial, and power transmission applications. It offers smooth rotation, low friction, and robust performance thanks to precision-ground raceways, optimized roller geometry, and high-strength steel construction. Ideal for ZF gearboxes and propulsion systems, this bearing ensures long-term reliability under heavy loads and harsh conditions.
Key Features:
- High axial and radial load-bearing capacity
- Precision-ground raceways and 14° contact angle for smooth, low-vibration operation
- Constructed from high-carbon chrome steel (SAE 52100)
- Dynamic load rating: 58.3 kN | Static load rating: 63.3 kN
- Compatible with grease and oil lubrication systems
- Heat-treated for increased wear resistance and lifespan
- Engineered for marine gearboxes, propulsion units, and power transmission components
- Operates in temperatures from -40°C to +150°C
Specifications:
Part Number ZF 635370049 Bearing Set K-LM48548 / K-LM48510T Inner Diameter (ID) 34.925 mm Outer Diameter (OD) 65.088 mm Total Width 18.034 mm Inner Ring Width 17.462 mm Outer Ring Width 13.970 mm Contact Angle 14° Dynamic Load Rating 58.3 kN Static Load Rating 63.3 kN Max Speed (Oil Lubrication) 6000 RPM Max Speed (Grease Lubrication) 4000 RPM Material SAE 52100 chrome steel Lubrication Grease and oil compatible Sealing Open (non-sealed) Temperature Range -40°C to +150°C Precision Class ISO Class 4 (High Precision)
Compatibility and Application:
This tapered roller bearing is used in ZF gearboxes, marine propulsion systems, power transmission units, and other heavy-duty mechanical systems. Its high-performance design enables stable rotation and longevity even in harsh operating conditions. Ideal for both OEM and maintenance applications in marine and industrial sectors.
Benefits:
- Efficient load handling reduces mechanical stress
- Low-friction operation increases system efficiency
- High-speed capacity with oil lubrication up to 6000 RPM
- Robust construction resists wear, heat, and corrosion
- Long service life reduces replacement frequency
- Open design allows easy inspection and lubrication
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