+84 28 3820 8888 
Images and technical specifications for item 51209.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing 51209 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.
51209 specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Shaft bore diameter
- 45 mm
- D - Diameter outside
- 73 mm
- T - Height bearing thrust
- 20 mm
- rs - Minimum fillet radius
- 1 mm
- Weight
- 0,317 kg
PRODUCT PERFORMANCE
- Ca - Dynamic axial load rating
- 47,5 kN
- C0a - Static axial load rating
- 105 kN
- Cua - Axial load limit
- 4,75 kN
- N lim - Oil lubrication limiting speed
- 3700 tr/min
- N lim - Grease lubrication limiting speed
- 2600 tr/min
- Tmin - Minimum operating temperature
- -40 °C
- Tmax - Maximum operating temperature
- 120 °C
LIMITS
- Da max - Maximum shoulder diameter OR
- 56 mm
- da min - Minimum shoulder diameter IR
- 62 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.
