
Images and technical specifications for item 23288B.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing 23288B belongs to the Spherical 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.
23288B specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Shaft bore diameter
- 440 mm
- D - Diameter outside
- 790 mm
- B - Width
- 280 mm
- d2 - Diameter rib of inner ring
- 0 mm
- D1 - Diameter rib/groove of outer ring
- 670,5 mm
- rs - Minimum fillet radius
- 7,5 mm
- Number of lubrication holes
- 8
- b - Width of lubrication groove
- 33 mm
- k - Diameter of lubrication hole
- 20 mm
- Bearing clearance
- CN
- Weight
- 582 kg
PRODUCT PERFORMANCE
- C - Basic dynamic load rating
- 7700 kN
- C0 - Basic static load rating
- 12800 kN
- Cu - Fatigue load limit
- 870 kN
- e - Limiting value
- 0.36
- Y0 - Static axial load factor
- 1.84
- Y1 - Lower axial load factor
- 1.88
- Y2 - Upper axial load factor
- 2.8
- N lim - Oil lubrication limiting speed
- 470 tr/min
- N lim - Grease lubrication limiting speed
- 360 tr/min
- Tmin - Minimum operating temperature
- -40 °C
- Tmax - Maximum operating temperature
- 120 °C
LIMITS
- da min - Minimum shoulder diameter IR
- 472 mm
- Da max - Maximum shoulder diameter OR
- 758 mm
- ra max - Maximum fillet radius shaft & housing
- 6 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.


