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Images and technical specifications for item NJ312C3.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing NJ312C3 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.
NJ312C3 specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Shaft bore diameter
- 60 mm
- D - Diameter outside
- 130 mm
- B - Width
- 31 mm
- E - Upper roller diameter
- 113 mm
- F - Lower roller diameter
- 77 mm
- d1 - Diameter outside of flange IR
- 84,2 mm
- rs - Minimum fillet radius
- 2,1 mm
- r1s - Minimum fillet radius
- 2,1 mm
- Bearing clearance
- C3
- Weight
- 1,827 kg
PRODUCT PERFORMANCE
- C - Basic dynamic load rating
- 137 kN
- C0 - Basic static load rating
- 126 kN
- Cu - Fatigue load limit
- 15,4 kN
- N lim - Oil lubrication limiting speed
- 6500 tr/min
- N lim - Grease lubrication limiting speed
- 5500 tr/min
- Tmin - Minimum operating temperature
- -40 °C
- Tmax - Maximum operating temperature
- 120 °C
LIMITS
- da min - Minimum shoulder diameter IR
- 71 mm
- da max - Small face shoulder max diameter
- 75 mm
- dc min - Diameter inner ring minimum GO
- 86 mm
- Da max - Maximum shoulder diameter OR
- 119 mm
- ra max - Maximum fillet radius
- 2 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.
