
Images and technical specifications for item 30230U.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing 30230U belongs to the Tapered 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.
30230U specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Shaft bore diameter
- 150 mm
- D - Diameter outside
- 270 mm
- B - Width
- 45 mm
- C - Outer-ring width
- 38 mm
- T - Overall width
- 49 mm
- d1 - Inner-ring outside diameter
- 203,5 mm
- a - Load application point
- 51,5 mm
- rs - Minimum fillet radius
- 4 mm
- r1s - Minimum fillet radius
- 3 mm
- Weight
- 11 kg
- ISO 355 refethreadce
- T4GB150
PRODUCT PERFORMANCE
- C - Basic dynamic load rating
- 500 kN
- C0 - Basic static load rating
- 605 kN
- Cu - Fatigue load limit
- 59 kN
- A2 - Rated-life factor
- 1
- e - Limiting value
- 0.44
- Y0 - Static axial load factor
- 0.76
- Y2 - Upper axial load factor
- 1.38
- N lim - Oil lubrication limiting speed
- 1700 tr/min
- N lim - Grease lubrication limiting speed
- 1300 tr/min
- Tmin - Minimum operating temperature
- -40 °C
- Tmax - Maximum operating temperature
- 120 °C
LIMITS
- da max - Maximum shoulder diameter IR
- 175 mm
- db min - Minimum shoulder diameter IR
- 168 mm
- Da min - Minimum shoulder diameter OR
- 234 mm
- Da max - Maximum shoulder diameter OR
- 256 mm
- Db min - Minimum shoulder diameter OR
- 255 mm
- Ca - Minimum space width
- 7 mm
- Ca - Minimum space width
- 11 mm
- ra max - Maximum fillet radius
- 3 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.

