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SEALMASTER Insert Bearing: 3-28, 2 1/2 in Bore, 4 29/32 in OD, 1.375 in Outer Ring Wd - General Purpose Spherical Insert Bearings
SEALMASTERGeneral Purpose Spherical Insert Bearings

SEALMASTER Insert Bearing: 3-28, 2 1/2 in Bore, 4 29/32 in OD, 1.375 in Outer Ring Wd

The SEALMASTER Insert Bearing: 3-28 is a general purpose spherical insert bearing of the radial/deep groove ball type. It features a 2 1/2 in bore, 4 29/32 in OD, and 1.375 in outer ring width, with double sealed…

SKU 3G-OTH-106540

Also listed as: 328 · 3 28

Brand
SEALMASTER
Item
Insert Bearing: 3-28, 2 1/2 in Bore, 4 29/32 in OD, 1.375 in Outer Ring Wd
Category
General Purpose Spherical Insert Bearings
Available to Order
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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

Technical Specifications

SEALMASTER
Manufacturer Part Number
3-28
Type
Set Screws
Bore
2 1/2 in
OD
4 29/32 in
Closure
Double Sealed
Outer Ring Wd
1.375 in
Bearing Insert Type
Radial/Deep Groove Ball
System of Measurement
Inch
Bearing Industry Number
3-28

Technical Documents

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SEALMASTER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SEALMASTER Insert Bearing: 3-28 is a general purpose spherical insert bearing of the radial/deep groove ball type. It features a 2 1/2 in bore, 4 29/32 in OD, and 1.375 in outer ring width, with double sealed closure and set screw locking. This inch-system bearing carries the industry number 3-28 and manufacturer part number 3-28.

Frequently Asked Questions

What is the SEALMASTER Insert Bearing 3-28 used for?

The SEALMASTER Insert Bearing 3-28 is used in general purpose industrial applications requiring a spherical insert bearing with radial/deep groove ball design. It supports rotating shafts in conveyors, fans, and material handling equipment where misalignment accommodation and double-sealed protection are needed.

What are the specifications of the SEALMASTER Insert Bearing 3-28?

The SEALMASTER Insert Bearing 3-28 has a 2 1/2 in bore, 4 29/32 in OD, and 1.375 in outer ring width. It is an inch-system radial/deep groove ball bearing with double sealed closure and set screw locking. The manufacturer part number and bearing industry number are both 3-28.

Where to buy the SEALMASTER Insert Bearing 3-28 worldwide?

You can source the SEALMASTER Insert Bearing 3-28 worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this bearing.

How to select the correct SEALMASTER Insert Bearing 3-28 for an application?

To select the correct SEALMASTER Insert Bearing 3-28, verify the shaft diameter matches the 2 1/2 in bore and the housing bore accommodates the 4 29/32 in OD. Confirm the load rating and speed requirements suit your application. The double sealed closure and set screw locking suit moderate-speed, general purpose use.

Used in

Common applications for SEALMASTER
Conveyor systems — SEALMASTER NP series pillow block bearings for belt conveyor idler shafts
Material handling fans — SEALMASTER SFT series flange bearings for fan housing mounting
Pump drives — SEALMASTER MP series medium-duty pillow blocks for pump shaft support
Agricultural equipment — SEALMASTER ER series insert bearings in auger and elevator assemblies
Packaging machinery — SEALMASTER NPL low-base pillow blocks for compact conveyor sections
Industrial blowers — SEALMASTER SFT-23 flange bearing for blower shaft end support

SEALMASTER Products

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

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