+84 28 3820 8888 
Images and technical specifications for item 21309EAKW33C3.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing 21309EAKW33C3 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.
21309EAKW33C3 specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Shaft bore diameter
- 45 mm
- D - Diameter outside
- 100 mm
- B - Width
- 25 mm
- d2 - Diameter rib of inner ring
- 65 mm
- D1 - Diameter rib/groove of outer ring
- 86,7 mm
- rs - Minimum fillet radius
- 1,5 mm
- Number of lubrication holes
- 3
- b - Width of lubrication groove
- 6,84 mm
- k - Diameter of lubrication hole
- 3 mm
- Sleeve reference
- H309
- Bearing clearance
- C3
- Weight
- 0,93 kg
PRODUCT PERFORMANCE
- C - Basic dynamic load rating
- 138 kN
- C0 - Basic static load rating
- 134 kN
- Cu - Fatigue load limit
- 16,3 kN
- e - Limiting value
- 0.23
- Y0 - Static axial load factor
- 2.83
- Y1 - Lower axial load factor
- 2.9
- Y2 - Upper axial load factor
- 4.31
- N ref - Reference thermal speed
- 5600 tr/min
- N lim - Mechanical limiting speed
- 8300 tr/min
- Tmin - Minimum operating temperature
- -40 °C
- Tmax - Maximum operating temperature
- 200 °C
LIMITS
- da min - Minimum shoulder diameter IR
- 54 mm
- db - Diameter minimum for sleeve
- 50 mm
- Ce - Minimum sleeve length
- 5 mm
- Da max - Maximum shoulder diameter OR
- 91 mm
- ra max - Maximum fillet radius shaft & housing
- 1,5 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.
