
Images and technical specifications for item 21320KD1C3.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing 21320KD1C3 belongs to the Spherical Roller 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.
21320KD1C3 specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Shaft bore diameter
- 100 mm
- D - Diameter outside
- 215 mm
- B - Width
- 47 mm
- d2 - Diameter rib of inner ring
- 133 mm
- D1 - Diameter rib/groove of outer ring
- 179 mm
- rs - Minimum fillet radius
- 3 mm
- b - Width of lubrication groove
- 9 mm
- k - Diameter of lubrication hole
- 5 mm
- Sleeve reference
- H320
- Bearing clearance
- C3
- Weight
- 8,78 kg
PRODUCT PERFORMANCE
- C - Basic dynamic load rating
- 410 kN
- C0 - Basic static load rating
- 465 kN
- Cu - Fatigue load limit
- 42,5 kN
- e - Limiting value
- 0.22
- Y0 - Static axial load factor
- 2.94
- Y1 - Lower axial load factor
- 3.01
- Y2 - Upper axial load factor
- 4.48
- N lim - Oil lubrication limiting speed
- 2600 tr/min
- N lim - Grease lubrication limiting speed
- 2000 tr/min
- Tmin - Minimum operating temperature
- -40 °C
- Tmax - Maximum operating temperature
- 120 °C
LIMITS
- da min - Minimum shoulder diameter IR
- 114 mm
- db - Diameter minimum for sleeve
- 108 mm
- Ce - Minimum sleeve length
- 7 mm
- Da max - Maximum shoulder diameter OR
- 201 mm
- ra max - Maximum fillet radius shaft & housing
- 2,5 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.


