• Centrifugal Pump & Compressor Shafts
• High-Volume Industrial Fan & Blower Rotors
• Generator & Alternator Ends
• Large AC/DC Electric Motor Bearings

• Industrial Transmission Shafts
• Heavy-Duty Power Take-Off (PTO) Systems
• Mining & Aggregate Conveyor Drives
• Medium to Large Gear Reducer Supports

• Paper Mill Roller Supports
• Rubber & Plastics Processing Machinery
• Foundry Equipment Shafting
• Construction Equipment Drivetrains

• Bulk Material Handling Systems
• Industrial Compressor Crankshafts
• Wastewater Treatment Aeration Equipment
• Heavy-Duty Conveyor Pulley & Idler Ends

01. Optimized for Smooth, Reliable Operation

Manufactured to standard industrial precision (P0) with an option for higher grades (P5), the 6316 ZZ ensures consistent quality. The precision-machined deep raceway grooves and the high conformity of the balls facilitate stable, vibration-free rotation, contributing to efficient power transmission and reduced noise levels in machinery.

02. Exceptional Load Capacity & Robust Build

As a member of the 63-series heavy-duty family, the 6316 ZZ offers a significantly higher radial load rating compared to smaller series. Manufactured from high-purity chrome steel (GCr15/SAE 52100), its design ensures superior durability and resistance to wear, guaranteeing an extended service life under continuous, demanding loads.

03. Integral Protection & Application Flexibility

This variant comes standard with double metal shields (ZZ) , providing excellent protection against the ingress of large debris and dust while retaining lubricating grease for low-maintenance operation . As a fundamental industrial size, the 6316 platform is also available in open, sealed (2RS), or with increased clearance (C3) variants to suit specific environmental and thermal operating conditions.

Interchange Part Numbers

Direct replacement and cross-reference for industry standard part numbers:

• SKF: 6316-2Z
• NSK: 6316ZZ
• FAG: 6316.2ZR
• NTN: 6316ZZ
• KOYO: 6316ZZX
• MRC: 316SFF  

Design & Configuration

While the 6316 ZZ is supplied as standard with double shields for grease retention and debris protection, the base open design allows for customization to meet specific operational demands:

• Double Shield (6316-ZZ / 2Z): Standard configuration. Provides a good balance of protection and low torque for general industrial use.

• Double Seal (6316-2RS / 2RS1): For enhanced protection against moisture, dust, and fine contaminants in harsh environments.

• Open Bearing (6316): For high-speed applications requiring oil lubrication or custom grease packing.

• Increased Clearance (6316 ZZ C3): Suitable for applications where interference fits or temperature differentials might otherwise reduce internal clearances.

"For heavy electric motors, industrial gearboxes, and aggregate processing equipment, the 6316 ZZ offers a robust and reliable bearing solution. Specify seal suffixes (2RS) or C3 clearance to perfectly match your operating environment."