
Images and technical specifications for item 3212AC3.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing 3212AC3 belongs to the Double Row Angular Contact Ball 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.
3212AC3 specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Shaft bore diameter
- 60 mm
- D - Diameter outside
- 110 mm
- B - Width
- 36,5 mm
- d1 - Inner-ring outside diameter
- 75,8 mm
- D1 - Diameter rib/groove of outer ring
- 94,4 mm
- a - Load application point
- 55,1 mm
- α - Contact angle
- 25 °
- rs - Minimum fillet radius
- 1,5 mm
- Bearing clearance
- C3
- Precision class
- P0
- Weight
- 1,18 kg
BEARING FREQUENCIES
- BPFO - Outer-ring characteristic frequency (60 rpm)
- 4,196 Hz
- BPFI - Inner-ring characteristic frequency (60 rpm)
- 5,804 Hz
- FTF - Cage characteristic frequency (60 rpm)
- 0,42 Hz
- BSF - Rolling-element characteristic frequency (60 rpm)
- 5,49 Hz
PRODUCT PERFORMANCE
- C - Basic dynamic load rating
- 68 kN
- C0 - Basic static load rating
- 61,5 kN
- Cu - Fatigue load limit
- 3,7 kN
- f0 - Factor
- 14.9
- N ref - Reference thermal speed
- 5200 tr/min
- N lim - Mechanical limiting speed
- 5800 tr/min
- Tmin - Minimum operating temperature
- -20 °C
- Tmax - Maximum operating temperature
- 120 °C
LIMITS
- da min - Minimum shoulder diameter IR
- 68 mm
- Da max - Maximum shoulder diameter OR
- 102 mm
- ra max - Maximum fillet radius shaft & housing
- 1,5 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.

