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Images and technical specifications for item 6312ZZNR/2AS.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing 6312ZZNR/2AS 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.
6312ZZNR/2AS specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Shaft bore diameter
- 60 mm
- D - Diameter outside
- 130 mm
- B - Width
- 31 mm
- a min - Minimum groove position
- 3,86 mm
- a max - Maximum groove position
- 4,06 mm
- rs - Minimum fillet radius
- 2,1 mm
- rNs - Minimum fillet radius
- 0,5 mm
- D3 - Diameter groove base maximum
- 125,22 mm
- b min - Width groove minimum
- 3,1 mm
- b max - Width groove maximum
- 3,4 mm
- a - Distance to oil-injection hole
- 0,6 mm
- D4 max - Diameter outside maximum of retaining ring assembly
- 139,7 mm
- f - Retaining-ring thickness
- 2,82 mm
- Locking-ring reference
- R130
- Bearing clearance
- CN
- Weight
- 1,73 kg
PRODUCT PERFORMANCE
- C - Basic dynamic load rating
- 90,5 kN
- C0 - Basic static load rating
- 52 kN
- Cu - Fatigue load limit
- 4,1 kN
- f0 - Factor
- 13.2
- N lim - Grease lubrication limiting speed
- 5400 tr/min
- Tmin - Minimum operating temperature
- -25 °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
- rNa max - Maximum fillet radius on the segment side
- 0,5 mm
- Ca min - Minimum segment position
- 6,68 mm
- Ca max - Maximum segment position
- 6,88 mm
- Db min - Minimum stop-ring position diameter
- 141,5 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.
