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Images and technical specifications for item NA6904R.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing NA6904R 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.
NA6904R specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Shaft bore diameter
- 20 mm
- D - Diameter outside
- 37 mm
- C - Width
- 30 mm
- F - Lower roller diameter
- 25 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 mm
- Hole bôi trơn over inner ring
- Non/No
- Bearing clearance
- CN
- Precision class
- P0
- Weight
- 0,141 kg
PRODUCT PERFORMANCE
- Cr - Dynamic load rating
- 36,5 kN
- C0r - Static load rating
- 50,5 kN
- N lim - Grease lubrication limiting speed
- 11000 tr/min
- N lim - Oil lubrication limiting speed
- 16000 tr/min
- Tmin - Minimum operating temperature
- -20 °C
- Tmax - Maximum operating temperature
- 120 °C
LIMITS
- da min - Minimum shoulder diameter IR
- 22 mm
- Da max - Maximum shoulder diameter OR
- 35 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.
