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Images and technical specifications for item 3312AC3.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing 3312AC3 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.
3312AC3 specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Shaft bore diameter
- 60 mm
- D - Diameter outside
- 130 mm
- B - Width
- 54 mm
- d1 - Inner-ring outside diameter
- 81,3 mm
- D1 - Diameter rib/groove of outer ring
- 108,7 mm
- a - Load application point
- 67,3 mm
- α - Contact angle
- 25 °
- rs - Minimum fillet radius
- 2,1 mm
- Bearing clearance
- C3
- Precision class
- P0
- Weight
- 3,24 kg
BEARING FREQUENCIES
- BPFO - Outer-ring characteristic frequency (60 rpm)
- 3,152 Hz
- BPFI - Inner-ring characteristic frequency (60 rpm)
- 4,848 Hz
- FTF - Cage characteristic frequency (60 rpm)
- 0,394 Hz
- BSF - Rolling-element characteristic frequency (60 rpm)
- 4,082 Hz
PRODUCT PERFORMANCE
- C - Basic dynamic load rating
- 121 kN
- C0 - Basic static load rating
- 97,9 kN
- Cu - Fatigue load limit
- 6,1 kN
- f0 - Factor
- 13.7
- N ref - Reference thermal speed
- 4700 tr/min
- N lim - Mechanical limiting speed
- 5000 tr/min
- Tmin - Minimum operating temperature
- -20 °C
- Tmax - Maximum operating temperature
- 120 °C
LIMITS
- da min - Minimum shoulder diameter IR
- 71 mm
- Da max - Maximum shoulder diameter OR
- 119 mm
- ra max - Maximum fillet radius shaft & housing
- 2 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.
