
Images and technical specifications for item 6903JRXLLUNR/2AS.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing 6903JRXLLUNR/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.
6903JRXLLUNR/2AS specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Shaft bore diameter
- 17 mm
- D - Diameter outside
- 30 mm
- B - Width
- 7 mm
- rs - Minimum fillet radius
- 0,3 mm
- rNs - Minimum fillet radius
- 0,3 mm
- D3 - Diameter groove base maximum
- 28,7 mm
- b min - Width groove minimum
- 0,95 mm
- b max - Width groove maximum
- 1,3 mm
- a - Distance to oil-injection hole
- 0,25 mm
- D4 max - Diameter outside maximum of retaining ring assembly
- 32,8 mm
- f - Retaining-ring thickness
- 0,85 mm
- Locking-ring reference
- R30
- Bearing clearance
- CN
- Weight
- 0,018 kg
PRODUCT PERFORMANCE
- C - Basic dynamic load rating
- 5,15 kN
- C0 - Basic static load rating
- 2,58 kN
- Cu - Fatigue load limit
- 0,202 kN
- f0 - Factor
- 14.7
- N lim - Oil lubrication limiting speed
- 14000 tr/min
- N lim - Grease lubrication limiting speed
- 22000 tr/min
LIMITS
- da min - Minimum shoulder diameter IR
- 19 mm
- da max - Maximum shoulder diameter IR
- 20 mm
- Da max - Maximum shoulder diameter OR
- 28 mm
- ra max - Maximum fillet radius shaft & housing
- 0,3 mm
- rNa max - Maximum fillet radius on the segment side
- 0,3 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.


