
Images and technical specifications for item 6980.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing 6980 belongs to the Deep Groove Ball Bearings family. The technical tables below show the available dimensions, ratings, speeds and mounting limits for this item.
When requesting a quotation, provide the complete item number, required quantity and operating conditions so Cat Son can verify the configuration.
6980 specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Shaft bore diameter
- 400 mm
- D - Diameter outside
- 540 mm
- B - Width
- 65 mm
- d1 - Inner-ring outside diameter
- 445,2 mm
- D1 - Diameter rib/groove of outer ring
- 494,8 mm
- rs - Minimum fillet radius
- 4 mm
- Bearing clearance
- CN
- Weight
- 42,1 kg
PRODUCT PERFORMANCE
- C - Basic dynamic load rating
- 370 kN
- C0 - Basic static load rating
- 535 kN
- Cu - Fatigue load limit
- 16,4 kN
- f0 - Factor
- 16.5
- N lim - Oil lubrication limiting speed
- 1200 tr/min
- N lim - Grease lubrication limiting speed
- 990 tr/min
- Tmin - Minimum operating temperature
- -40 °C
- Tmax - Maximum operating temperature
- 120 °C
LIMITS
- da min - Minimum shoulder diameter IR
- 416 mm
- da max - Maximum shoulder diameter IR
- 445 mm
- Da max - Maximum shoulder diameter OR
- 524 mm
- ra max - Maximum fillet radius shaft & housing
- 3 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.


