
Images and technical specifications for item NU309C3.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing NU309C3 belongs to the Cylindrical 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.
NU309C3 specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Shaft bore diameter
- 45 mm
- D - Diameter outside
- 100 mm
- B - Width
- 25 mm
- E - Upper roller diameter
- 86,5 mm
- F - Lower roller diameter
- 58,5 mm
- rs - Minimum fillet radius
- 1,5 mm
- r1s - Minimum fillet radius
- 1,5 mm
- Bearing clearance
- C3
- Weight
- 0,877 kg
PRODUCT PERFORMANCE
- C - Basic dynamic load rating
- 82 kN
- C0 - Basic static load rating
- 71 kN
- Cu - Fatigue load limit
- 8,65 kN
- N lim - Oil lubrication limiting speed
- 8400 tr/min
- N lim - Grease lubrication limiting speed
- 7200 tr/min
- Tmin - Minimum operating temperature
- -40 °C
- Tmax - Maximum operating temperature
- 120 °C
LIMITS
- da min - Minimum shoulder diameter IR
- 53 mm
- da max - Small face shoulder max diameter
- 57 mm
- db min - Min inner ring GO diameter
- 60 mm
- Da max - Maximum shoulder diameter OR
- 92 mm
- ra max - Maximum fillet radius
- 1,5 mm
- r1a - Maximum fillet radius
- 1,5 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.


