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Images and technical specifications for item 3304A.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing 3304A 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.
3304A specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Shaft bore diameter
- 20 mm
- D - Diameter outside
- 52 mm
- B - Width
- 22,2 mm
- d1 - Inner-ring outside diameter
- 30 mm
- D1 - Diameter rib/groove of outer ring
- 45 mm
- a - Load application point
- 26,4 mm
- α - Contact angle
- 25 °
- rs - Minimum fillet radius
- 1,1 mm
- Bearing clearance
- CN
- Precision class
- P0
- Weight
- 0,208 kg
BEARING FREQUENCIES
- BPFO - Outer-ring characteristic frequency (60 rpm)
- 3,145 Hz
- BPFI - Inner-ring characteristic frequency (60 rpm)
- 4,855 Hz
- FTF - Cage characteristic frequency (60 rpm)
- 0,393 Hz
- BSF - Rolling-element characteristic frequency (60 rpm)
- 4,044 Hz
PRODUCT PERFORMANCE
- C - Basic dynamic load rating
- 22,9 kN
- C0 - Basic static load rating
- 15,1 kN
- Cu - Fatigue load limit
- 0,95 kN
- f0 - Factor
- 13.6
- N ref - Reference thermal speed
- 9100 tr/min
- N lim - Mechanical limiting speed
- 13000 tr/min
- Tmin - Minimum operating temperature
- -20 °C
- Tmax - Maximum operating temperature
- 120 °C
LIMITS
- da min - Minimum shoulder diameter IR
- 26,5 mm
- Da max - Maximum shoulder diameter OR
- 45,5 mm
- ra max - Maximum fillet radius shaft & housing
- 1 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.
