
Images and technical specifications for item 81206.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing 81206 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.
81206 specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - IR-WS support-washer bore diameter
- 30 mm
- D - Washer outside diameter support OR - GS
- 52 mm
- d1 - IR-WS support-washer outside diameter
- 52 mm
- D1 - OR-GS housing-washer bore diameter
- 32 mm
- T - Height bearing thrust
- 16 mm
- Dw - Rolling-element diameter
- 7,5 mm
- Dc1 - Roller-cage bore diameter
- 30 mm
- Dc - Roller-cage outside diameter
- 52 mm
- B - Ring thickness
- 4,25 mm
- rs - Minimum fillet radius
- 0,6 mm
- Cage assembly reference
- K81206
- Bearing inner ring WS
- WS81206
- Bearing outer ring GS
- GS81206
- Ea - Roller reference outside diameter
- 49 mm
- Eb - Roller reference inside diameter
- 32,8 mm
- Weight
- 0,14 kg
- Cage assembly weight
- 0,05 kg
- Bearing inner ring mass WS
- 0,045 kg
- Bearing outer ring GS mass
- 0,045 kg
- Precision class
- P0
PRODUCT PERFORMANCE
- Ca - Dynamic axial load rating
- 53 kN
- C0a - Static axial load rating
- 129 kN
- Cua - Axial load limit
- 15,7 kN
- N lim - Grease lubrication limiting speed
- 1500 tr/min
- N lim - Oil lubrication limiting speed
- 6000 tr/min
- Tmin - Minimum operating temperature
- -20 °C
- Tmax - Maximum operating temperature
- 120 °C
LIMITS
- da min - Minimum shoulder diameter IR
- 48 mm
- Db max - Maximum shoulder diameter OR
- 33 mm
- ras max - Maximum fillet radius
- 0,6 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.

