
Images and technical specifications for item 7318BG.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing 7318BG belongs to the Angular Contact 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.
7318BG specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Shaft bore diameter
- 90 mm
- D - Diameter outside
- 190 mm
- B - Width
- 43 mm
- a - Load application point
- 80,5 mm
- α - Contact angle
- 40 °
- rs - Minimum fillet radius
- 3 mm
- r1s - Minimum fillet radius
- 1,1 mm
- Bearing clearance
- CN
- Weight
- 5,16 kg
PRODUCT PERFORMANCE
- C - Basic dynamic load rating
- 173 kN
- C0 - Basic static load rating
- 135 kN
- Cu - Fatigue load limit
- 8,95 kN
- N lim - Oil lubrication limiting speed
- 4500 tr/min
- N lim - Grease lubrication limiting speed
- 3400 tr/min
- Tmin - Minimum operating temperature
- -40 °C
- Tmax - Maximum operating temperature
- 120 °C
LIMITS
- da min - Minimum shoulder diameter IR
- 104 mm
- db min - Minimum shoulder diameter IR
- 97 mm
- Da max - Maximum shoulder diameter OR
- 176 mm
- Db max - Maximum shoulder diameter OR
- 183 mm
- r1a - Maximum fillet radius
- 1 mm
- ra max - Maximum fillet radius shaft & housing
- 2,5 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.

