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: 1/4 in Bore Dia, 21/32 in Outside Dia, 0.25 in Outer Ring Wd - Self-Lubricating Spherical Bearings
QA1Self-Lubricating Spherical Bearings

QA1 Spherical Plain Bearing: 1/4 in Bore Dia, 21/32 in Outside Dia, 0.25 in Outer Ring Wd

The QA1 COM4T is a self-lubricating spherical bearing with a 1/4 in bore diameter, 21/32 in outside diameter, and 0.25 in outer ring width. It features a PTFE liner material and is measured in inches.

SKU 3G-OTH-99528

Brand
QA1
Item
Spherical Plain Bearing: 1/4 in Bore Dia, 21/32 in Outside Dia, 0.25 in Outer Ring Wd
Category
Self-Lubricating 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
COM4T
Type
PTFE
Outside Dia
21/32 in
Outer Ring Wd
0.25 in
Liner Material
PTFE
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 COM4T is a self-lubricating spherical bearing with a 1/4 in bore diameter, 21/32 in outside diameter, and 0.25 in outer ring width. It features a PTFE liner material and is measured in inches.

Frequently Asked Questions

What is the QA1 COM4T spherical plain bearing used for?

The QA1 COM4T spherical plain bearing is used in industrial machinery and automotive applications that require self-lubricating, maintenance-free operation. Its PTFE liner reduces friction in oscillating or misaligned linkages, such as steering systems, suspension joints, and hydraulic cylinder pivots.

What are the specifications of the QA1 COM4T bearing?

The QA1 COM4T has a 1/4 in bore diameter, 21/32 in outside diameter, and 0.25 in outer ring width. It uses a PTFE liner material for self-lubrication and is measured in inches. The manufacturer part number is COM4T.

Where to buy QA1 COM4T bearings worldwide?

You can source QA1 COM4T bearings 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.

How to select the correct QA1 spherical bearing size?

To select the correct QA1 spherical bearing, match the bore diameter to your shaft size, the outside diameter to your housing bore, and the outer ring width to your mounting space. The QA1 COM4T uses inch measurements, so verify your system of measurement before ordering.

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 self-lubricating 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, PTFE (MPN COM10T). Key specifications — Liner Material: PTFE; 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, PTFE (MPN COM10T). Key specifications — Liner Material: PTFE; Brand: QA1; System of Measurement: Inch.
QA1 Spherical Plain Bearing: 1 1/2 in Bore Dia, 2 3/4 in Outside Dia, 1.094 in Outer Ring Wd, PTFE (MPN HCOM24T). Key specifications — Liner Material: PTFE; Brand: QA1; System of Measurement: Inch.
QA1
QA1 Spherical Plain Bearing: 1 1/2 in Bore Dia, 2 3/4 in Outside Dia, 1.094 in Outer Ring Wd, PTFE (MPN HCOM24T). Key specifications — Liner Material: PTFE; 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, PTFE (MPN COM14T). Key specifications — Liner Material: PTFE; 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, PTFE (MPN COM14T). Key specifications — Liner Material: PTFE; Brand: QA1; System of Measurement: Inch.
QA1 Spherical Bearing: 1/2 in Bore Dia, 1 in Outside Dia, 0.39 in Outer Ring Wd, 0.781 in Ball Dia (MPN COM8T). Key specifications — Liner Material: PTFE; 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 COM8T). Key specifications — Liner Material: PTFE; Brand: QA1; System of Measurement: Inch.

More from QA1

View all QA1 parts →
QA1 Spherical Plain Bearing: 3/4 in Bore Dia, 1 7/16 in Outside Dia, 0.593 in Outer Ring Wd, PTFE (MPN COM12T). Key specifications — Liner Material: PTFE; Brand: QA1; System of Measurement: Inch.
QA1
QA1 Spherical Plain Bearing: 3/4 in Bore Dia, 1 7/16 in Outside Dia, 0.593 in Outer Ring Wd, PTFE (MPN COM12T). Key specifications — Liner Material: PTFE; 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, PTFE, Open (MPN COM7T). Key specifications — Liner Material: PTFE; 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, PTFE, Open (MPN COM7T). Key specifications — Liner Material: PTFE; Brand: QA1; System of Measurement: Inch.
QA1 Spherical Bearing: 1 in Bore Dia, 1 3/4 in Outside Dia, 0.797 in Outer Ring Wd, 1.5 in Ball Dia (MPN COM16T). Key specifications — Liner Material: PTFE; Brand: QA1; System of Measurement: Inch.
QA1
QA1 Spherical Bearing: 1 in Bore Dia, 1 3/4 in Outside Dia, 0.797 in Outer Ring Wd, 1.5 in Ball Dia (MPN COM16T). Key specifications — Liner Material: PTFE; 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, PTFE (MPN COM3T). Key specifications — Liner Material: PTFE; 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, PTFE (MPN COM3T). Key specifications — Liner Material: PTFE; Brand: QA1; System of Measurement: Inch.
QA1 Spherical Plain Bearing: 1 1/4 in Bore Dia, 2 3/8 in Outside Dia, 0.937 in Outer Ring Wd, PTFE (MPN HCOM20T). Key specifications — Liner Material: PTFE; Brand: QA1; System of Measurement: Inch.
QA1
QA1 Spherical Plain Bearing: 1 1/4 in Bore Dia, 2 3/8 in Outside Dia, 0.937 in Outer Ring Wd, PTFE (MPN HCOM20T). Key specifications — Liner Material: PTFE; Brand: QA1; System of Measurement: Inch.
QA1 Spherical Plain Bearing: 9/16 in Bore Dia, 1 3/32 in Outside Dia, 0.437 in Outer Ring Wd, PTFE (MPN COM9T). Key specifications — Liner Material: PTFE; Brand: QA1; System of Measurement: Inch.
QA1
QA1 Spherical Plain Bearing: 9/16 in Bore Dia, 1 3/32 in Outside Dia, 0.437 in Outer Ring Wd, PTFE (MPN COM9T). Key specifications — Liner Material: PTFE; 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, PTFE (MPN COM6T). Key specifications — Liner Material: PTFE; 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, PTFE (MPN COM6T). Key specifications — Liner Material: PTFE; Brand: QA1; System of Measurement: Inch.
QA1 Spherical Plain Bearing: 1 in Bore Dia, 2 in Outside Dia, 0.781 in Outer Ring Wd, PTFE, Open (MPN HCOM16T). Key specifications — Liner Material: PTFE; 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, PTFE, Open (MPN HCOM16T). Key specifications — Liner Material: PTFE; Brand: QA1; System of Measurement: Inch.