51208 JTEKT Koyo Bearing

The JTEKT / Koyo 51208 is a single-direction thrust ball bearing engineered to handle axial loads in one direction while maintaining smooth rotational performance. Featuring a precision-machined steel cage and hardened bearing components, this bearing is commonly used in industrial gearboxes, pumps, machine tools, conveyors, agricultural equipment, and heavy-duty rotating assemblies.

Its separable design allows for easier installation and maintenance, while the high-quality Koyo manufacturing standards ensure dependable operation, reduced friction, and extended service life in demanding applications.

Specifications

• Bearing Type: Single-Direction Thrust Ball Bearing
• Brand: JTEKT / Koyo
• Part Number: 51208
• Inside Diameter (ID): 40 mm
• Outside Diameter (OD): 68 mm
• Width: 19 mm
• Dynamic Load Rating: 58.7 kN
• Static Load Rating: 98.3 kN
• Limiting Speed (Grease): 2700 RPM
• Limiting Speed (Oil): 4200 RPM
• Weight: Approx. 0.270 kg

Features

• Designed for high axial load capacity
• Smooth and reliable rotational performance
• Precision steel cage construction
• Separable design for simplified installation
• Suitable for industrial and heavy-duty applications
• Manufactured to Koyo / JTEKT quality standards

Common Applications

• Industrial machinery
• Pumps and compressors
• Gearboxes
• Agricultural equipment
• Conveyors
• Material handling systems
• Automotive and heavy equipment assemblies

Note: Image may vary from actual product. Please verify bearing dimensions and part number compatibility before purchase.