NP344
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OEM and Flexible Order Quantities Supported
Specifications
Availability: 100 PCS
Brand: HSN/ ARB/ OEM
Bearing Number: NP344
Category: Cylindrical Roller Bearings
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Weight and Dimensions
Bore (d): 220 mm 8.6614 in
Outer Diameter (D): 460 mm 18.1102 in
Width (W): 88 mm 3.4646 in
Weight: 72.5 kg 160 lbs
Data from ARB (medias)
Dynamic Capacity (C) : 1210 KN 272000 lbs
Static Capacity (Co) : 1630 KN 366400 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 NP344 cylindrical roller bearing consists of a double-ribbed inner ring, an outer ring with one integral rib and one loose flange ring, cylindrical rollers, and a cage. Its line-contact roller design provides high radial load capacity and rigidity, while the rib arrangement provides axial location and supports axial loads in both directions. The separable construction facilitates mounting and maintenance while providing stable performance under demanding loads. It is suitable for electric motors, industrial gearboxes, conveyors, mining equipment, crushers, and other heavy-duty machinery requiring reliable radial support and bidirectional axial location.
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