
Images and technical specifications for item 2311SK.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing 2311SK belongs to the Self-aligning 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.
2311SK specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Shaft bore diameter
- 55 mm
- D - Diameter outside
- 120 mm
- B - Width
- 43 mm
- rs - Minimum fillet radius
- 2 mm
- Sleeve reference
- H2311X
- Bearing clearance
- CN
- Precision class
- P0
- Weight
- 2,08 kg
PRODUCT PERFORMANCE
- C - Basic dynamic load rating
- 76,5 kN
- C0 - Basic static load rating
- 24 kN
- Cu - Fatigue load limit
- 1 kN
- e - Limiting value
- 0.41
- Y0 - Static axial load factor
- 1.6
- Y1 - Lower axial load factor
- 1.5
- Y2 - Upper axial load factor
- 2.4
- N lim - Oil lubrication limiting speed
- 6000 tr/min
- N lim - Grease lubrication limiting speed
- 4800 tr/min
- Tmin - Minimum operating temperature
- -20 °C
- Tmax - Maximum operating temperature
- 120 °C
LIMITS
- da min - Minimum shoulder diameter IR
- 64 mm
- da max - Maximum shoulder diameter IR
- 71 mm
- db - Diameter minimum for sleeve
- 61 mm
- Ce - Minimum sleeve length
- 6 mm
- Da max - Maximum shoulder diameter OR
- 111 mm
- ra max - Maximum fillet radius shaft & housing
- 2 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.



