Home Bearing KOYO 638Z 8x28x9mm Shielded Deep Groove Ball Bearing High-Speed Low-Friction
KOYO 638Z Bearing

Illustrative imagery — contact our technical team for certified product photographs and full engineering datasheets.

KOYO 100% Genuine

KOYO 638Z 8x28x9mm Shielded Deep Groove Ball Bearing High-Speed Low-Friction
Model / Part No: 638Z Catalog ID: BBN-A7A62419

Brand

KOYO

Model / Part No.

638Z

Category

Bearing

Country of Origin

Global Sourcing

Packaging

Original Factory Packaging

Availability

18000 pcs Ready to Ship
US$ 0.98 / unit (Wholesale)
Secure Payments
PayPal
Bank T/T

Formal Proforma Invoice (PI) issued for every confirmed transaction.

Technical Drawings (For reference only)

Technical Drawing 1
Technical Drawing 2
Technical Drawing 3
Technical Drawing 4
Technical Drawing 5
Technical Drawing 6
Technical Drawing 7

Technical Specifications (For reference only)

d
8
D
28
B
9
Weight (Reference) (kg)
0.027
Suffix Z: Single-sided steel dust cover.

Supply Chain & International Settlement

Synchronized Multi-Hub Dispatch

Fulfilled from our decentralized inventory network across Singapore (HQ), Shanghai Free Trade Zone, and Johor-Iskandar, minimizing customs clearance time and transit distance.

Certified Provenance Guarantee

Each unit undergoes rigorous QC inspection at our bonded facilities. Certificate of Conformance (CoC) and Material Test Reports (MTR) available upon request.

Secure Cross-Border Transactions

Settle internationally via Telegraphic Transfer (T/T) through DBS Singapore or PayPal, with full trade compliance documentation handled by our in-house team.

Accepted Settlement Methods
PayPal

Fast & Secure

Bank T/T

Wire Transfer

All Proforma Invoices denominated in USD. Letter of Credit (L/C) and D/P terms available for qualified bulk procurement contracts.

Trade Profile

Shipping Origins

SG, CN, MY

Trade Terms

EXW, FOB, CIF, DDP

Certificates

CO, Form E, FTA Support

Technical Expert

Amy

"Looking for datasheets, cross-reference support, or competitive pricing on larger quantities? Let's connect directly."

TALK TO AN EXPERT

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