
Images and technical specifications for item 23256EMD1.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing 23256EMD1 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.
23256EMD1 specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Shaft bore diameter
- 280 mm
- D - Diameter outside
- 500 mm
- B - Width
- 176 mm
- d2 - Diameter rib of inner ring
- 0 mm
- D1 - Diameter rib/groove of outer ring
- 426 mm
- rs - Minimum fillet radius
- 5 mm
- Number of lubrication holes
- 8
- b - Width of lubrication groove
- 27 mm
- k - Diameter of lubrication hole
- 16 mm
- Bearing clearance
- CN
- Weight
- 152 kg
PRODUCT PERFORMANCE
- C - Basic dynamic load rating
- 3810 kN
- C0 - Basic static load rating
- 5420 kN
- Cu - Fatigue load limit
- 193 kN
- e - Limiting value
- 0.35
- Y0 - Static axial load factor
- 1.91
- Y1 - Lower axial load factor
- 1.95
- Y2 - Upper axial load factor
- 2.9
- N lim - Oil lubrication limiting speed
- 950 tr/min
- N lim - Grease lubrication limiting speed
- 740 tr/min
- Tmin - Minimum operating temperature
- -40 °C
- Tmax - Maximum operating temperature
- 200 °C
LIMITS
- da min - Minimum shoulder diameter IR
- 300 mm
- Da max - Maximum shoulder diameter OR
- 480 mm
- ra max - Maximum fillet radius shaft & housing
- 5 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.


