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Images and technical specifications for item 4T-25877/25821.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing 4T-25877/25821 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.
4T-25877/25821 specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Shaft bore diameter
- 34,925 mm
- D - Diameter outside
- 73,025 mm
- B - Width
- 24,608 mm
- C - Outer-ring width
- 19,05 mm
- T - Overall width
- 23,812 mm
- d1 - Inner-ring outside diameter
- 53 mm
- a - Load application point
- 15,712 mm
- Weight
- 0,473 kg
PRODUCT PERFORMANCE
- C - Basic dynamic load rating
- 78,5 kN
- C0 - Basic static load rating
- 85 kN
- Cu - Fatigue load limit
- 10,4 kN
- A2 - Rated-life factor
- 1
- e - Limiting value
- 0.29
- Y0 - Static axial load factor
- 1.14
- Y2 - Upper axial load factor
- 2.07
- N lim - Oil lubrication limiting speed
- 7100 tr/min
- N lim - Grease lubrication limiting speed
- 5300 tr/min
- Tmin - Minimum operating temperature
- -40 °C
- Tmax - Maximum operating temperature
- 120 °C
LIMITS
- da max - Maximum shoulder diameter IR
- 40,5 mm
- db min - Minimum shoulder diameter IR
- 43 mm
- Da max - Maximum shoulder diameter OR
- 65 mm
- Db min - Minimum shoulder diameter OR
- 68 mm
- ra max - Maximum fillet radius
- 1,5 mm
- r1a - Maximum fillet radius
- 0,8 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.
