
Images and technical specifications for item 81124T2.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing 81124T2 belongs to the Cylindrical Roller Thrust 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.
81124T2 specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - IR-WS support-washer bore diameter
- 120 mm
- D - Washer outside diameter support OR - GS
- 155 mm
- d1 - IR-WS support-washer outside diameter
- 155 mm
- D1 - OR-GS housing-washer bore diameter
- 122 mm
- T - Height bearing thrust
- 25 mm
- Dw - Rolling-element diameter
- 11 mm
- Dc1 - Roller-cage bore diameter
- 120 mm
- Dc - Roller-cage outside diameter
- 155 mm
- rs - Minimum fillet radius
- 1 mm
- Cage assembly reference
- K81124T2
- Bearing inner ring WS
- WS81124
- Bearing outer ring GS
- GS81124
- Ea - Roller reference outside diameter
- 148,8 mm
- Eb - Roller reference inside diameter
- 125 mm
- Weight
- 1,17 kg
- Cage assembly weight
- 0,34 kg
- Bearing inner ring mass WS
- 0,415 kg
- Bearing outer ring GS mass
- 0,415 kg
PRODUCT PERFORMANCE
- Ca - Dynamic axial load rating
- 172 kN
- C0a - Static axial load rating
- 655 kN
- Cua - Axial load limit
- 72,5 kN
- N lim - Grease lubrication limiting speed
- 450 tr/min
- N lim - Oil lubrication limiting speed
- 1800 tr/min
- Tmin - Minimum operating temperature
- -20 °C
- Tmax - Maximum operating temperature
- 120 °C
LIMITS
- da min - Minimum shoulder diameter IR
- 148 mm
- Db max - Maximum shoulder diameter OR
- 126 mm
- ras max - Maximum fillet radius
- 1 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.

