Industrial C306 306SFF Radial Deep Groove Ball Bearing

Description:

The MRC TRW C306 306SFF radial deep groove ball bearing is used in industrial rotating equipment and power transmission systems. Commonly installed in electric motors, pumps, conveyors, gearboxes, compressors, and manufacturing machinery requiring reliable radial load support and high-speed operation. Maintenance teams and system integrators use this part for bearing replacement, equipment rebuilds, preventive maintenance, and machinery retrofit projects.

Applications:

The MRC TRW C306 306SFF radial deep groove ball bearing is commonly used in industrial machinery where low friction, high rotational speeds, and dependable performance are required. Its single-row deep groove design supports heavy radial loads and moderate thrust loads in both directions, making it suitable for electric motors, pumps, fans, material handling equipment, machine tools, and process machinery operating under continuous-duty conditions. The double shielded construction helps protect internal components from contamination while retaining lubricant for extended service life.

Technical Specifications:

• Manufacturer: MRC / TRW
• Model / Part number: C306 / 306SFF
• Product type: Radial deep groove ball bearing
• Bearing type: Single-row radial ball bearing
• Series: 300S Medium Series
• Bore diameter (ID): 30 mm (1.181 in)
• Outside diameter (OD): 72 mm (2.835 in)
• Width: 19 mm (0.748 in)
• Enclosure type: Double shielded (FF suffix)
• Snap ring: No snap ring
• Internal clearance: C3
• Precision class: ABEC 1
• Bearing material: Bearing steel
• Cage material: Pressed steel cage
• Dynamic load rating: 28,100 N (6,320 lbf)
• Static load rating: 16,000 N (3,600 lbf)
• Maximum speed (grease): 9,000 RPM
• Maximum speed (oil): 11,000 RPM
• Operating temperature range: -22°F to 250°F (-30°C to 121°C)
• Lubrication: Factory grease lubricated
• Mounting type: Straight cylindrical bore
• Application environment: Motors, pumps, conveyors, gearboxes, and industrial rotating equipment.

Common Replacements:

• MRC TRW 306SZZ
• SKF 6306-2Z/C3
• FAG 6306-ZZ-C3