NN4148
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All Data Sourced from Official Brands
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Brand Alternative Bearings with Identical Specifications
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Customized Bearing Solutions Based on Parameters
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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: NN4148
Category: Cylindrical Roller Bearings
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Weight and Dimensions
Bore (d): 240 mm 9.4488 in
Outer Diameter (D): 400 mm 15.7480 in
Width (W): 160 mm 6.2992 in
Weight: 85 kg 187 lbs
Data from ARB (medias)
Dynamic Capacity (C) : 1980 KN 445200 lbs
Static Capacity (Co) : 3650 KN 820600 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 NN4148 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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