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Images and technical specifications for item NJ221.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing NJ221 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.
NJ221 specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Shaft bore diameter
- 105 mm
- D - Diameter outside
- 190 mm
- B - Width
- 36 mm
- E - Upper roller diameter
- 168,8 mm
- F - Lower roller diameter
- 126,8 mm
- d1 - Diameter outside of flange IR
- 135 mm
- rs - Minimum fillet radius
- 2,1 mm
- r1s - Minimum fillet radius
- 2,1 mm
- Bearing clearance
- CN
- Weight
- 4,6 kg
PRODUCT PERFORMANCE
- C - Basic dynamic load rating
- 223 kN
- C0 - Basic static load rating
- 241 kN
- Cu - Fatigue load limit
- 26,1 kN
- N lim - Oil lubrication limiting speed
- 4300 tr/min
- N lim - Grease lubrication limiting speed
- 3600 tr/min
- Tmin - Minimum operating temperature
- -40 °C
- Tmax - Maximum operating temperature
- 120 °C
LIMITS
- da min - Minimum shoulder diameter IR
- 116 mm
- da max - Small face shoulder max diameter
- 124 mm
- dc min - Diameter inner ring minimum GO
- 137 mm
- Da max - Maximum shoulder diameter OR
- 179 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.
