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Images and technical specifications for item 6304ZNR.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing 6304ZNR belongs to the Deep Groove 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.
6304ZNR specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Shaft bore diameter
- 20 mm
- D - Diameter outside
- 52 mm
- B - Width
- 15 mm
- a min - Minimum groove position
- 2,31 mm
- a max - Maximum groove position
- 2,46 mm
- rs - Minimum fillet radius
- 1,1 mm
- rNs - Minimum fillet radius
- 0,5 mm
- D3 - Diameter groove base maximum
- 49,73 mm
- b min - Width groove minimum
- 1,35 mm
- b max - Width groove maximum
- 1,65 mm
- a - Distance to oil-injection hole
- 0,4 mm
- D4 max - Diameter outside maximum of retaining ring assembly
- 57,9 mm
- f - Retaining-ring thickness
- 1,12 mm
- Locking-ring reference
- R52
- Bearing clearance
- CN
- Weight
- 0,144 kg
PRODUCT PERFORMANCE
- C - Basic dynamic load rating
- 17,6 kN
- C0 - Basic static load rating
- 7,9 kN
- Cu - Fatigue load limit
- 0,615 kN
- f0 - Factor
- 12.4
- N lim - Oil lubrication limiting speed
- 17000 tr/min
- N lim - Grease lubrication limiting speed
- 14000 tr/min
- Tmin - Minimum operating temperature
- -40 °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
- rNa max - Maximum fillet radius on the segment side
- 0,5 mm
- Ca min - Minimum segment position
- 3,33 mm
- Ca max - Maximum segment position
- 3,58 mm
- Db min - Minimum stop-ring position diameter
- 58,5 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.
