
Images and technical specifications for item 6921.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing 6921 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.
6921 specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Shaft bore diameter
- 105 mm
- D - Diameter outside
- 145 mm
- B - Width
- 20 mm
- rs - Minimum fillet radius
- 1,1 mm
- Bearing clearance
- CN
- Weight
- 0,816 kg
PRODUCT PERFORMANCE
- C - Basic dynamic load rating
- 47 kN
- C0 - Basic static load rating
- 42 kN
- Cu - Fatigue load limit
- 2,52 kN
- f0 - Factor
- 16.5
- N lim - Oil lubrication limiting speed
- 5100 tr/min
- N lim - Grease lubrication limiting speed
- 4300 tr/min
- Tmin - Minimum operating temperature
- -40 °C
- Tmax - Maximum operating temperature
- 120 °C
LIMITS
- da min - Minimum shoulder diameter IR
- 111,5 mm
- Da max - Maximum shoulder diameter OR
- 138,5 mm
- ra max - Maximum fillet radius shaft & housing
- 1 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.


