NA14138 / 14276D
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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/ TIMKEN/ OEM
Bearing Number: NA14138 / 14276D
Category: Tapered Roller Bearings
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Weight and Dimensions
Bore (d): 34.925 mm 1.3750 in
Outer (D): 69.012 mm 2.7170 in
Width (T): 46.040 mm 1.8126 in
Width (C): 38.100 mm 1.5000 in
Weight: 0.7 kg
Data from Timken (medias)
Dynamic Radial Load Rating – 1M Revs (C1) : 95100 N
Dynamic Radial Load Rating – 90M Revs (C90) : 14200 N
Dynamic Radial Load Rating 2-Row – 90M Revs (C90-2row): 24600 N
Dynamic Axial Rating – 90M Revs (Ca90): 9260 N
e Factor: 0.38
K Factor: 1.53
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
Timken Tapered Roller Bearings Guide
Product Description
The NA14138 / 14276D Timken TNA tapered roller bearing features a double-row tapered roller design with two single inner rings and a double outer ring. The extended inner-ring front faces are designed to abut directly, eliminating the need for an inner-ring spacer and providing a compact, pre-set bearing configuration. This non-adjustable design is supplied with built-in clearance, ensuring reliable operation, stable load distribution, and consistent performance under demanding conditions.
The NA14138 / 14276D TNA bearing is widely used in industrial equipment, heavy-duty gearboxes, construction machinery, mining equipment, and other applications where reliable load support, easy installation, and compensation for shaft expansion are required.
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