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TRITAN 638 ZZ PRX General Purpose Radial Ball Bearing - General Purpose Radial Ball Bearings
TRITANGeneral Purpose Radial Ball Bearings

TRITAN 638 ZZ PRX General Purpose Radial Ball Bearing

The TRITAN Miniature Ball Bearing: 638 is a general purpose radial ball bearing designed for oily/greasy environments. This metric bearing features an 8 mm bore, 28 mm OD, and 9 mm width, with double shields and an…

SKU 3G-OTH-102428

Also listed as: 638ZZPRX · 638-ZZ-PRX

Brand
TRITAN
Item
638 ZZ PRX General Purpose Radial Ball Bearing
Category
General Purpose Radial Ball Bearings
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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

TRITAN
Manufacturer Part Number
638 ZZ PRX
Type
Dbl Shield, Alloy Steel Ring
Bore
8 mm
OD
28 mm
Wd
9 mm
For Environment
Oily/Greasy
System of Measurement
Metric
Bearing Industry Number
638

Technical Documents

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

Product Description

The TRITAN Miniature Ball Bearing: 638 is a general purpose radial ball bearing designed for oily/greasy environments. This metric bearing features an 8 mm bore, 28 mm OD, and 9 mm width, with double shields and an alloy steel ring (MPN 638 ZZ PRX).

Frequently Asked Questions

What is the TRITAN 638 miniature ball bearing used for?

The TRITAN 638 miniature ball bearing is a general purpose radial bearing suited for oily or greasy environments. It is commonly used in small electric motors, conveyors, and light industrial machinery where compact size and reliable rotation are needed.

What are the specifications of the TRITAN 638 ZZ PRX bearing?

The TRITAN 638 ZZ PRX is a metric miniature ball bearing with an 8 mm bore, 28 mm OD, and 9 mm width. It features double shields and an alloy steel ring, designed for oily or greasy environments. The bearing industry number is 638.

Where to buy the TRITAN 638 bearing in worldwide?

3G Electric supplies the TRITAN 638 miniature ball bearing worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this bearing for your application.

How to select the correct TRITAN 638 bearing for an application?

To select the TRITAN 638 bearing, verify the shaft diameter (8 mm bore), housing bore (28 mm OD), and width (9 mm). Ensure the operating environment is oily or greasy, as this bearing is designed for such conditions. Double shields protect against contamination.

Used in

Common applications for TRITAN
Poultry processing conveyors — TRITAN food-grade radial ball bearings (SS3829 2RS FM222) with double contact seals
Material handling systems — TRITAN spherical insert bearings (SB205-16G) with set screw locking for shaft mounting
High-temperature oven rollers — TRITAN miniature ball bearings (SSRI814 ZZ SRL) rated to 302°F
Self-lubricating pivot joints — TRITAN spherical plain bearings (GE 30TE 2RS) with PTFE sliding surface
Flange-mounted conveyor idlers — TRITAN 4-bolt flange bearings (UCF210-31) in cast iron housings
Chain drive repairs — TRITAN offset links (40-1R OSL) for ANSI #40 roller chains

TRITAN Products

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

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Compatible alternatives & equivalents

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Metric radial ball bearing with 6 mm bore, 22 mm OD, and 7 mm width. Double shields and alloy steel ring. Designed for oily or greasy environments. Suitable for small electric motors, gearboxes, conveyors, and industrial machinery
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TRITAN Miniature Ball Bearing: 623, Dbl Shield, 3 mm Bore, 10 mm OD, 4 mm Wd, Alloy Steel Ring (MPN 623 ZZ PRX)
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TRITAN Miniature Ball Bearing: 623, Dbl Shield, 3 mm Bore, 10 mm OD, 4 mm Wd, Alloy Steel Ring (MPN 623 ZZ PRX)

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