+84 28 3820 8888 
Images and technical specifications for item NA69/28R.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing NA69/28R belongs to the Needle Roller 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.
NA69/28R specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Shaft bore diameter
- 28 mm
- D - Diameter outside
- 45 mm
- C - Width
- 30 mm
- F - Lower roller diameter
- 32 mm
- rs - Minimum fillet radius
- 0,3 mm
- s - Độ lệch shaft maximum
- 1 mm
- Outer-ring lubrication holes
- Oui/Yes
- k - Diameter of lubrication hole
- 2,5 mm
- Hole bôi trơn over inner ring
- Non/No
- Bearing clearance
- CN
- Precision class
- P0
- Weight
- 0,179 kg
PRODUCT PERFORMANCE
- Cr - Dynamic load rating
- 43 kN
- C0r - Static load rating
- 67 kN
- N lim - Grease lubrication limiting speed
- 8500 tr/min
- N lim - Oil lubrication limiting speed
- 13000 tr/min
- Tmin - Minimum operating temperature
- -20 °C
- Tmax - Maximum operating temperature
- 120 °C
LIMITS
- da min - Minimum shoulder diameter IR
- 30 mm
- Da max - Maximum shoulder diameter OR
- 43 mm
- ras max - Maximum fillet radius
- 0,3 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.
