6317-2Z/C3 Single Row Deep Groove Ball Bearing Double 2Z Metal Shield C3 Clearance 85x180x41mm Large Heavy Industrial Motor Fan

The 6317-2Z/C3 single row deep groove ball bearing features thickened heavy-duty structure, double-sided 2Z metal dust shields and C3 enlarged radial clearance. It supports ultra-heavy radial loads, provides reliable dust protection and accommodates shaft thermal expansion under high-temperature operation, widely matched to large industrial motors, heavy fans, large pumps and heavy-duty reducer equipment.

👉 Get a quote within 24 hours for your project

Model: 6317-2Z/C3

Inner Diameter (ID): 85mm

Outer Diameter (OD): 180mm

Width: 41mm

Structure: Single row deep groove ball bearing

Seal Type: Double side 2Z metal dust shield

Clearance Class: C3 enlarged radial clearance

Material: High carbon chromium bearing steel

Cage: Stamped steel cage

Gear Type: N/A

👉 Full technical data and installation drawings available upon request

• Large thickened structure delivers excellent ultra-heavy radial load bearing capacity
• Dual 2Z metal shields isolate dust and debris, sealing internal lubricating grease steadily
• C3 extra clearance offsets shaft thermal expansion for continuous high-temperature working conditions
• Precision superfinished raceway realizes low vibration, quiet and stable high-load rotation
• High-hardness quenched bearing steel improves wear resistance and extends service cycle

Custom clearance grades, precision classes and seal types are available

👉 Lower long-term maintenance cost and enhance continuous running stability of large equipment

This bearing is widely used in: Large heavy-duty industrial motor and big cooling fan rotary assemblies Large water pumps, heavy speed reducers and mine auxiliary transmission machinery Ultra-heavy load rotary equipment operating under high temperature and dusty workshops General large-scale industrial transmission components requiring high radial load capacity

👉 Premium dust-proof C3 clearance heavy-duty deep groove ball bearing solution for large machinery

• 25+ years experience in large heavy deep groove ball bearing manufacturing
• Exported to 50+ countries worldwide
• Rich experience in OEM customized C3 clearance bearing bulk orders
• Strict clearance grouping and rotation noise inspection before shipment
• Fast response within 24 hours
• Stable bulk supply for long‑term large machinery manufacturing cooperation
• 👉 We focus on quality, reliability, and long‑term partnership

• Raw bearing steel incoming inspection
• Precision superfinishing for raceway and steel balls
• Standard heat treatment hardness control
• Clearance classification, rotation noise and heavy load durability testing
• Full dimension tolerance inspection before delivery

👉 Ensuring consistent stable ultra-heavy-load performance for every bearing

Get a Quote Now

Looking for reliable 2Z shield C3 clearance large heavy ball bearing supplier?

 👉 Send your inquiry to get:

• Fast quotation within 24 hours
• Professional engineer large bearing technical parameter support
• Custom clearance & precision grade solution suggestions
• Competitive factory wholesale price

 👉 Click “Send Inquiry” or contact us now