NN4144
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Brand Alternative Bearings with Identical Specifications
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Fast Quotation Response
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OEM and Flexible Order Quantities Supported
Specifications
Availability: 100 PCS
Brand: HSN/ ARB/ OEM
Bearing Number: NN4144
Category: Cylindrical Roller Bearings
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Weight and Dimensions
Bore (d): 220 mm 8.6614 in
Outer Diameter (D): 370 mm 14.5669 in
Width (W): 150 mm 5.9055 in
Weight: 65 kg 143 lbs
Data from ARB (medias)
Dynamic Capacity (C) : 1650 KN 371000 lbs
Static Capacity (Co) : 2900 KN 652000 lbs
Product Properties
Precision: P0, P6, P5
Hardness: HRC58-62
Ring Material: GCr15, GCr15SiMn, 100CrMnSi6-4, etc.
Cage Material: Brass, Steel
Certificate: ISO9001:2015
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Downloads & Links
ARB Cylindrical Roller Bearings Guide
Product Description
The American Roller Bearing NN4144 double-row cylindrical roller bearing consists of an inner ring, a separable outer ring, two rows of cylindrical rollers, and a machined brass cage. Its double-row roller arrangement provides high radial load capacity and rigidity, while allowing axial displacement to accommodate shaft expansion during operation. The separable outer ring facilitates mounting and maintenance, while the robust cage and roller arrangement provide smooth and stable performance under demanding loads. It is suitable for lathes, machine tools, industrial gearboxes, pinion stands, rolling mill equipment, and other heavy-duty rotating machinery requiring high radial load capacity, rigidity, and reliable shaft support.
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