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QA1 Spherical Bearing: 1 3/4 in Bore Dia, 3 1/8 in Outside Dia, 1.25 in Outer Ring Wd - General Purpose Spherical Bearings
QA1General Purpose Spherical Bearings

QA1 Spherical Bearing: 1 3/4 in Bore Dia, 3 1/8 in Outside Dia, 1.25 in Outer Ring Wd

The QA1 Spherical Bearing (MPN HCOM28) is a general-purpose spherical bearing with a 1 3/4 in bore diameter, 3 1/8 in outside diameter, and 1.25 in outer ring width. This inch-system bearing features no liner material.

SKU 3G-OTH-107518

Brand
QA1
Item
Spherical Bearing: 1 3/4 in Bore Dia, 3 1/8 in Outside Dia, 1.25 in Outer Ring Wd
Category
General Purpose Spherical Bearings
Available to Order
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Technical Specifications

QA1
Manufacturer Part Number
HCOM28
Type
No Liner
Outside Dia
3 1/8 in
Outer Ring Wd
1.25 in
Liner Material
No Liner
System of Measurement
Inch
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QA1 Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The QA1 Spherical Bearing (MPN HCOM28) is a general-purpose spherical bearing with a 1 3/4 in bore diameter, 3 1/8 in outside diameter, and 1.25 in outer ring width. This inch-system bearing features no liner material.

Frequently Asked Questions

What is the QA1 HCOM28 spherical bearing used for?

The QA1 HCOM28 spherical bearing is a general-purpose bearing used in industrial machinery, suspension systems, and linkage applications where misalignment accommodation is needed. Its no-liner design suits high-load, low-maintenance environments. 3G Electric supplies this bearing worldwide.

What are the specifications of the QA1 HCOM28 spherical bearing?

The QA1 HCOM28 has a 1 3/4 in bore diameter, 3 1/8 in outside diameter, and 1.25 in outer ring width. It uses an inch system of measurement, has no liner material, and is manufactured by QA1 under part number HCOM28.

Where to buy QA1 HCOM28 spherical bearing worldwide?

You can source the QA1 HCOM28 spherical bearing through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install a QA1 spherical bearing without a liner?

Press the QA1 HCOM28 into a properly sized housing using an arbor press, ensuring alignment with the bore. Apply a light lubricant to the outer diameter to prevent galling. Avoid hammering, which can damage the bearing. 3G Electric provides sourcing support for this component.

Used in

Common applications for QA1
Industrial machinery — QA1 COM12 spherical bearings used in linkage assemblies for packaging equipment.
Automotive suspension — QA1 stainless steel rod ends (e.g., MGFL5TS) for steering and control arms in race cars.
Agricultural equipment — QA1 heavy-duty spherical bearings (e.g., 45GY16) in tractor hitch linkages.
Material handling — QA1 PTFE-lined bearings (e.g., COM10T) in conveyor belt tensioners requiring low maintenance.
Offshore oil and gas — QA1 COM16SS stainless steel bearings in valve actuators exposed to salt spray.
Robotics — QA1 COM4SS miniature spherical bearings in robotic arm joints for precision positioning.

QA1 Products

3G Electric supplies QA1 general purpose spherical bearings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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