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Images and technical specifications for item NU318.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing NU318 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.
NU318 specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Shaft bore diameter
- 90 mm
- D - Diameter outside
- 190 mm
- B - Width
- 43 mm
- E - Upper roller diameter
- 165 mm
- F - Lower roller diameter
- 115 mm
- rs - Minimum fillet radius
- 3 mm
- r1s - Minimum fillet radius
- 3 mm
- Bearing clearance
- CN
- Weight
- 5,3 kg
PRODUCT PERFORMANCE
- C - Basic dynamic load rating
- 266 kN
- C0 - Basic static load rating
- 265 kN
- Cu - Fatigue load limit
- 29,3 kN
- N lim - Oil lubrication limiting speed
- 4300 tr/min
- N lim - Grease lubrication limiting speed
- 3700 tr/min
- Tmin - Minimum operating temperature
- -40 °C
- Tmax - Maximum operating temperature
- 120 °C
LIMITS
- da min - Minimum shoulder diameter IR
- 103 mm
- da max - Small face shoulder max diameter
- 111 mm
- db min - Min inner ring GO diameter
- 117 mm
- Da max - Maximum shoulder diameter OR
- 177 mm
- ra max - Maximum fillet radius
- 2,5 mm
- r1a - Maximum fillet radius
- 2,5 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.
