
Images and technical specifications for item 6821Z.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing 6821Z 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.
6821Z specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Shaft bore diameter
- 105 mm
- D - Diameter outside
- 130 mm
- B - Width
- 13 mm
- rs - Minimum fillet radius
- 1 mm
- Bearing clearance
- CN
- Weight
- 0,33 kg
PRODUCT PERFORMANCE
- C - Basic dynamic load rating
- 22 kN
- C0 - Basic static load rating
- 22 kN
- Cu - Fatigue load limit
- 1,35 kN
- f0 - Factor
- 15.9
- N lim - Oil lubrication limiting speed
- 5400 tr/min
- N lim - Grease lubrication limiting speed
- 4600 tr/min
- Tmin - Minimum operating temperature
- -40 °C
- Tmax - Maximum operating temperature
- 120 °C
LIMITS
- da min - Minimum shoulder diameter IR
- 110 mm
- Da max - Maximum shoulder diameter OR
- 125 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.


