Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
QA1 Spherical Plain Bearing: 5/16 in Bore Dia, 3/4 in Outside Dia, 0.281 in Outer Ring Wd - General Purpose Spherical Bearings
QA1General Purpose Spherical Bearings

QA1 Spherical Plain Bearing: 5/16 in Bore Dia, 3/4 in Outside Dia, 0.281 in Outer Ring Wd

The QA1 COM5 is a general purpose spherical plain bearing with a 5/16 inch bore diameter and a 3/4 inch outside diameter. It features a 0.281 inch outer ring width and is constructed with no liner. This inch-system…

SKU 3G-OTH-107609

Brand
QA1
Item
Spherical Plain Bearing: 5/16 in Bore Dia, 3/4 in Outside Dia, 0.281 in Outer Ring Wd
Category
General Purpose Spherical Bearings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

QA1
Manufacturer Part Number
COM5
Type
No Liner
Outside Dia
3/4 in
Outer Ring Wd
0.281 in
Liner Material
No Liner
System of Measurement
Inch
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

QA1 Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The QA1 COM5 is a general purpose spherical plain bearing with a 5/16 inch bore diameter and a 3/4 inch outside diameter. It features a 0.281 inch outer ring width and is constructed with no liner. This inch-system bearing is manufactured by QA1 under part number COM5.

Frequently Asked Questions

What is the QA1 COM5 spherical plain bearing used for?

The QA1 COM5 is a general purpose spherical plain bearing used in industrial machinery, automotive suspension, and mechanical linkages where misalignment and oscillating motion must be accommodated. Its no-liner design suits applications requiring high load capacity and minimal maintenance in inch-system equipment.

What are the specifications of the QA1 COM5 bearing?

The QA1 COM5 has a 5/16 inch bore diameter, a 3/4 inch outside diameter, and a 0.281 inch outer ring width. It is an inch-system bearing with no liner, manufactured by QA1 under part number COM5. This general purpose spherical plain bearing is designed for moderate loads and misalignment compensation.

Where to buy QA1 COM5 spherical plain bearings worldwide?

3G Electric supplies the QA1 COM5 spherical plain bearing worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this inch-system bearing to any country.

How to select the right QA1 spherical plain bearing for an application?

Select a QA1 spherical plain bearing by matching bore diameter, outside diameter, and width to your housing and shaft dimensions. Consider load type, misalignment angle, and whether a liner is needed. The COM5 is a no-liner inch bearing suitable for general purpose use where periodic lubrication is acceptable.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
QA1 Spherical Plain Bearing: 5/8 in Bore Dia, 1 3/16 in Outside Dia, 0.5 in Outer Ring Wd, No Liner (MPN COM10). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.
QA1
QA1 Spherical Plain Bearing: 5/8 in Bore Dia, 1 3/16 in Outside Dia, 0.5 in Outer Ring Wd, No Liner (MPN COM10). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.
QA1 Spherical Plain Bearing: 3/16 in Bore Dia, 9/16 in Outside Dia, 0.218 in Outer Ring Wd, No Liner (MPN COM3). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.
QA1
QA1 Spherical Plain Bearing: 3/16 in Bore Dia, 9/16 in Outside Dia, 0.218 in Outer Ring Wd, No Liner (MPN COM3). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.
QA1 Spherical Plain Bearing: 1/4 in Bore Dia, 21/32 in Outside Dia, 0.25 in Outer Ring Wd, No Liner (MPN COM4). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.
QA1
QA1 Spherical Plain Bearing: 1/4 in Bore Dia, 21/32 in Outside Dia, 0.25 in Outer Ring Wd, No Liner (MPN COM4). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.
QA1 Spherical Bearing: 3/4 in Bore Dia, 1 7/16 in Outside Dia, 0.593 in Outer Ring Wd, No Liner (MPN COM12). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.
QA1
QA1 Spherical Bearing: 3/4 in Bore Dia, 1 7/16 in Outside Dia, 0.593 in Outer Ring Wd, No Liner (MPN COM12). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.
QA1 Spherical Plain Bearing: 2 in Bore Dia, 3 1/2 in Outside Dia, 1.375 in Outer Ring Wd, No Liner (MPN HCOM32). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.
QA1
QA1 Spherical Plain Bearing: 2 in Bore Dia, 3 1/2 in Outside Dia, 1.375 in Outer Ring Wd, No Liner (MPN HCOM32). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.
QA1 Spherical Bearing: 7/16 in Bore Dia, 29/32 in Outside Dia, 0.343 in Outer Ring Wd, No Liner (MPN COM7). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.
QA1
QA1 Spherical Bearing: 7/16 in Bore Dia, 29/32 in Outside Dia, 0.343 in Outer Ring Wd, No Liner (MPN COM7). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.

More from QA1

View all QA1 parts →
QA1 Spherical Bearing: 1/2 in Bore Dia, 1 in Outside Dia, 0.39 in Outer Ring Wd, 0.781 in Ball Dia (MPN COM8). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.
QA1
QA1 Spherical Bearing: 1/2 in Bore Dia, 1 in Outside Dia, 0.39 in Outer Ring Wd, 0.781 in Ball Dia (MPN COM8). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.
QA1 Spherical Bearing: 1 1/4 in Bore Dia, 2 3/8 in Outside Dia, 0.937 in Outer Ring Wd, No Liner (MPN HCOM20). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.
QA1
QA1 Spherical Bearing: 1 1/4 in Bore Dia, 2 3/8 in Outside Dia, 0.937 in Outer Ring Wd, No Liner (MPN HCOM20). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.
QA1 Spherical Plain Bearing: 7/8 in Bore Dia, 1 9/16 in Outside Dia, 0.703 in Outer Ring Wd, Open (MPN COM14). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.
QA1
QA1 Spherical Plain Bearing: 7/8 in Bore Dia, 1 9/16 in Outside Dia, 0.703 in Outer Ring Wd, Open (MPN COM14). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.
QA1 Spherical Plain Bearing: 3/8 in Bore Dia, 13/16 in Outside Dia, 0.312 in Outer Ring Wd, No Liner (MPN COM6). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.
QA1
QA1 Spherical Plain Bearing: 3/8 in Bore Dia, 13/16 in Outside Dia, 0.312 in Outer Ring Wd, No Liner (MPN COM6). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.
QA1 Spherical Plain Bearing: 5/32 in Bore Dia, 15/32 in Outside Dia, 0.187 in Outer Ring Wd, Open (MPN COM2). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.
QA1
QA1 Spherical Plain Bearing: 5/32 in Bore Dia, 15/32 in Outside Dia, 0.187 in Outer Ring Wd, Open (MPN COM2). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.
QA1 Spherical Bearing: 9/16 in Bore Dia, 1 3/32 in Outside Dia, 0.437 in Outer Ring Wd, No Liner (MPN COM9). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.
QA1
QA1 Spherical Bearing: 9/16 in Bore Dia, 1 3/32 in Outside Dia, 0.437 in Outer Ring Wd, No Liner (MPN COM9). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.
QA1 Spherical Plain Bearing: 1 in Bore Dia, 2 in Outside Dia, 0.781 in Outer Ring Wd, No Liner, Open (MPN HCOM16). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.
QA1
QA1 Spherical Plain Bearing: 1 in Bore Dia, 2 in Outside Dia, 0.781 in Outer Ring Wd, No Liner, Open (MPN HCOM16). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.
QA1 Spherical Bearing: 1 3/4 in Bore Dia, 3 1/8 in Outside Dia, 1.25 in Outer Ring Wd, No Liner (MPN HCOM28). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.
QA1
QA1 Spherical Bearing: 1 3/4 in Bore Dia, 3 1/8 in Outside Dia, 1.25 in Outer Ring Wd, No Liner (MPN HCOM28). Key specifications — Liner Material: No Liner; Brand: QA1; System of Measurement: Inch.