
Images and technical specifications for item 81226.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing 81226 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.
81226 specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - IR-WS support-washer bore diameter
- 130 mm
- D - Washer outside diameter support OR - GS
- 190 mm
- d1 - IR-WS support-washer outside diameter
- 187 mm
- D1 - OR-GS housing-washer bore diameter
- 133 mm
- T - Height bearing thrust
- 45 mm
- Dw - Rolling-element diameter
- 19 mm
- Dc1 - Roller-cage bore diameter
- 130 mm
- Dc - Roller-cage outside diameter
- 190 mm
- rs - Minimum fillet radius
- 1,5 mm
- Cage assembly reference
- K81226
- Bearing inner ring WS
- WS81226
- Bearing outer ring GS
- GS81226
- Ea - Roller reference outside diameter
- 179 mm
- Eb - Roller reference inside diameter
- 140,1 mm
- Weight
- 4,2 kg
- Cage assembly weight
- 1,14 kg
- Bearing inner ring mass WS
- 1,53 kg
- Bearing outer ring GS mass
- 1,53 kg
PRODUCT PERFORMANCE
- Ca - Dynamic axial load rating
- 360 kN
- C0a - Static axial load rating
- 1210 kN
- Cua - Axial load limit
- 128 kN
- N lim - Grease lubrication limiting speed
- 380 tr/min
- N lim - Oil lubrication limiting speed
- 1500 tr/min
- Tmin - Minimum operating temperature
- -20 °C
- Tmax - Maximum operating temperature
- 120 °C
LIMITS
- da min - Minimum shoulder diameter IR
- 178 mm
- Db max - Maximum shoulder diameter OR
- 140 mm
- ras max - Maximum fillet radius
- 1,5 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.

