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
Also listed as: NU321ECJ · NU-321-ECJ
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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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.
Frequently Asked Questions
What is the SKF NU 321 ECJ cylindrical roller bearing used for?
The SKF NU 321 ECJ is a general-purpose cylindrical roller bearing designed for high radial load applications in industrial machinery such as gearboxes, pumps, compressors, and electric motors. Its NU design allows axial displacement of the shaft relative to the housing, accommodating thermal expansion in rotating equipment.
What are the specifications of the SKF 321 bearing?
The SKF 321 bearing (MPN NU 321 ECJ) has a 105 mm bore, 225 mm OD, and 49 mm overall width. It is a metric cylindrical roller bearing made from alloy steel with an NU design. The bearing industry number is 321, and it is manufactured by SKF.
Where to buy SKF NU 321 ECJ bearings worldwide?
3G Electric supplies the SKF NU 321 ECJ bearing worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this bearing to any country.
How to select the correct SKF cylindrical roller bearing for an application?
To select the correct SKF cylindrical roller bearing, match the bore (105 mm), OD (225 mm), and width (49 mm) to your shaft and housing dimensions. Consider the NU design for applications requiring axial shaft movement. Verify load ratings and operating conditions against SKF specifications for reliable performance.
Used in
Common applications for SKFSKF 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.
