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Images and technical specifications for item 7909UADG/GNP42U3G.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing 7909UADG/GNP42U3G belongs to the Precision 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.
7909UADG/GNP42U3G specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Shaft bore diameter
- 45 mm
- D - Diameter outside
- 68 mm
- B - Width
- 12 mm
- d1 - Inner-ring outside diameter
- 52,7 mm
- d2 - Diameter rib of inner ring
- 50,8 mm
- D1 - Diameter rib/groove of outer ring
- 60,4 mm
- D2 - Outer-ring inside diameter
- 64 mm
- a - Load application point
- 19,2 mm
- α - Contact angle
- 25 °
- rs - Minimum fillet radius
- 0,6 mm
- r1s - Minimum fillet radius
- 0,3 mm
- Precision class
- P42
- Weight
- 0,12 kg
PRODUCT PERFORMANCE
- C - Basic dynamic load rating
- 18,8 kN
- C0 - Basic static load rating
- 14,1 kN
- f0 - Factor
- 16.1
- N lim - Oil lubrication limiting speed
- 29000 tr/min
- N lim - Grease lubrication limiting speed
- 18000 tr/min
- Preload level
- GN
- Preload value
- 0,167 kN
- Axial stiffness
- 127,3 N/µm
- Radial stiffness
- 269,5 N/µm
- Tmin - Minimum operating temperature
- -20 °C
- Tmax - Maximum operating temperature
- 120 °C
LIMITS
- da min - Minimum shoulder diameter IR
- 49,5 mm
- Da max - Maximum shoulder diameter OR
- 63,5 mm
- Db max - Maximum shoulder diameter OR
- 65,5 mm
- r1a - Maximum fillet radius
- 0,3 mm
- ra max - Maximum fillet radius shaft & housing
- 0,6 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.
