
Images and technical specifications for item 51318.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing 51318 belongs to the Thrust 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.
51318 specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Shaft bore diameter
- 90 mm
- D - Diameter outside
- 155 mm
- T - Height bearing thrust
- 50 mm
- rs - Minimum fillet radius
- 1,5 mm
- Weight
- 3,74 kg
PRODUCT PERFORMANCE
- Ca - Dynamic axial load rating
- 213 kN
- C0a - Static axial load rating
- 525 kN
- Cua - Axial load limit
- 21,3 kN
- N lim - Oil lubrication limiting speed
- 1600 tr/min
- N lim - Grease lubrication limiting speed
- 1100 tr/min
- Tmin - Minimum operating temperature
- -40 °C
- Tmax - Maximum operating temperature
- 120 °C
LIMITS
- Da max - Maximum shoulder diameter OR
- 116 mm
- da min - Minimum shoulder diameter IR
- 129 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.

