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Images and technical specifications for item 29448E.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing 29448E belongs to the Spherical Roller Thrust 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.
29448E specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- d - Washer inside diameter shaft
- 240 mm
- D - Washer outside diameter housing
- 440 mm
- D1 - Diameter rib of outer ring
- 320 mm
- d1 - Shaft-washer end-face outside diameter
- 393 mm
- T - Height bearing thrust
- 122 mm
- C - Housing-washer width
- 59 mm
- B - Shaft-washer width
- 76 mm
- B2 - Large-face distance between shaft washer and metal cage
- 103 mm
- a - Load application point
- 142 mm
- Cage material
- Tôle
- Weight
- 73,5 kg
BEARING FREQUENCIES
- BPFO - Outer-ring overrolling frequency (60 rpm)
- 7,573 Hz
- BPFI - Inner-ring overrolling frequency (60 rpm)
- 9,427 Hz
- BSF - Rolling-element overrolling frequency (60 rpm)
- 5,736 Hz
- BRF - Roller rotational frequency
- 2,868 Hz
- FTF - Cage rotational frequency (60 rpm)
- 0,445 Hz
PRODUCT PERFORMANCE
- Ca - Dynamic axial load rating
- 2980 kN
- C0a - Static axial load rating
- 9850 kN
- Cua - Axial load limit
- 834 kN
- N lim - Oil lubrication limiting speed
- 750 tr/min
- N ref - Reference thermal speed
- 750 tr/min
- N lim - Mechanical limiting speed
- 1400 tr/min
- Tmin - Minimum operating temperature
- -40 °C
- Tmax - Maximum operating temperature
- 200 °C
LIMITS
- ras max - Maximum fillet radius
- 5 mm
- rs - Minimum fillet radius
- 6 mm
- Da max - Maximum shoulder diameter OR
- 377 mm
- da min - Minimum shoulder diameter IR
- 335 mm
- db1 - Diameter maximum of shoulder washer shaft
- 258 mm
- db2 - Maximum spacer diameter
- 276 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.
