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SKF Cylindrical Roller Bearing: 321, 105 mm Bore, 225 mm OD, 49 mm Overall Wd - General Purpose Cylindrical Roller Bearings
SKFGeneral Purpose Cylindrical Roller Bearings

SKF Cylindrical Roller Bearing: 321, 105 mm Bore, 225 mm OD, 49 mm Overall Wd

The SKF Cylindrical Roller Bearing: 321 is a general-purpose cylindrical roller bearing with an NU design, featuring a 105 mm bore, 225 mm OD, and 49 mm overall width. Manufactured from alloy steel, this metric…

SKU 3G-OTH-103450

Brand
SKF
Item
Cylindrical Roller Bearing: 321, 105 mm Bore, 225 mm OD, 49 mm Overall Wd
Category
General Purpose Cylindrical Roller Bearings
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Technical Specifications

SKF
Manufacturer Part Number
NU 321 ECJ
Type
Cylindrical, Steel
Bore
105 mm
OD
225 mm
Overall Wd
49 mm
Ring Material
Alloy Steel
System of Measurement
Metric
Bearing Industry Number
321
Cylindrical Bearing Design
NU
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SKF Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SKF Cylindrical Roller Bearing: 321 is a general-purpose cylindrical roller bearing with an NU design, featuring a 105 mm bore, 225 mm OD, and 49 mm overall width. Manufactured from alloy steel, this metric bearing carries the manufacturer part number NU 321 ECJ and bearing industry number 321.

Used in

Common applications for SKF
Heavy machinery gearboxes — SKF spherical roller bearings (e.g., 24056 CCK30/W33) for high radial load capacity
Electric motor repair — SKF cylindrical roller bearings (e.g., NJ 307 ECP/C3) for free axial expansion
Pump shaft sealing — SKF CRWA1 rotary shaft seals (e.g., 17100) for fluid retention in rotating equipment
Conveyor system maintenance — SKF wear sleeves (e.g., 99274) to protect shafts from seal abrasion
Machine tool spindles — SKF angular contact bearings (e.g., 7413 BGBM) for axial load support in duplex sets
Industrial fan assemblies — SKF spherical roller bearings (e.g., 23044 CC/W33) for misalignment accommodation

SKF Products

3G Electric supplies SKF general purpose cylindrical roller bearings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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SKF Cylindrical Roller Bearing: 321, 105 mm Bore, 225 mm OD, 49 mm Overall Wd, Cylindrical (MPN NU 321 ECP). Key specifications — Manufacturer Part Number: NU 321 ECP; System of Measurement: Metric; Bearing Industry Number: 321; Ring Material: Alloy Steel; Brand: SKF; Cylindrical Bearing Design: NU.
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