W638/4R-2Z W638/4X-2RS1 W638/4X-2Z Deep Groove Ball Bearing – High Quality Factory Wholesale

W638/4R-2Z W638/4X-2RS1 W638/4X-2Z Deep Groove Ball Bearing – High Quality Factory Wholesale detail view

W638/4R-2Z W638/4X-2RS1 W638/4X-2Z Deep Groove Ball Bearing – High Quality Factory Wholesale specifications

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Deep Groove Ball Bearing In Stock · Ships in 24h Authorized Distributor

W638/4R-2Z W638/4X-2RS1 W638/4X-2Z Deep Groove Ball Bearing – High Quality Factory Wholesale

<h2>Basic Info.</h2> <table> <tr><td>Inner Diameter</td><td>4 mm</td></tr> <tr><td>Outer Diameter</td><td>10 mm</td></tr> <tr><td>Thickness</td><td>4 mm</td></tr> <tr><td>Model</td><td>W638/4R-2Z / W638/4X-2RS1 / W638/4X-2Z</td></tr> <tr><td>Lubrication</td><td>Grease or Oil</td></tr> <tr><td>Origin</td><td>China</td></tr> </table> <h2>Introduction</h2> High-performance miniature deep groove ball bearings with rich stock, 100% on-time delivery, and OEM/ODM support. Suitable for precision instruments, motors, and automation equipment. Grease technology rated "High", vibration grades Z1V1–Z3V3, packaged in carton pallets.

Quick Specifications

Brand: SKF
Origin: Authorized Stock
Warranty: 12 Months
MOQ: 1 Piece
Lead Time: 3-7 Days

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W638/4R-2Z W638/4X-2RS1 W638/4X-2Z Deep Groove Ball Bearing – High Quality Factory Wholesale - Image 5

Basic Info.

Inner Diameter	4 mm
Outer Diameter	10 mm
Thickness	4 mm
Model	W638/4R-2Z / W638/4X-2RS1 / W638/4X-2Z
Lubrication	Grease or Oil
Origin	China

Introduction

High-performance miniature deep groove ball bearings with rich stock, 100% on-time delivery, and OEM/ODM support. Suitable for precision instruments, motors, and automation equipment. Grease technology rated “High”, vibration grades Z1V1–Z3V3, packaged in carton pallets.

SKU: 21e3630219b0 Category: Deep Groove Ball Bearing

Description

Description

Basic Info.

Model NO.

W638/4R-2Z W638/4X-2RS1 W638/4X-2Z

Stock

Rich Stocks

Grease Technology

High

Lubrication

Grease or Oil

Vibration

Z1V1 Z2V2 Z3V3

Service

OEM ODM

Delivery

by Express, Road, Train, Air, Sea

Sample

Available

on-Time Delivery Rate

100.0%

Response Time

Less Than 0.5h

Model

W638/4r-2z W638/4X-2RS1 W638/4X-2z

Transport Package

Carton Pallet

Specification

4*10*4mm

Trademark

BDL/NTN/NSK/NMB/Koyo/NACHI/Timken

Origin

China

HS Code

8482102000

Production Capacity

200000000 Pieces/Year

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W638/4R-2Z W638/4X-2RS1 W638/4X-2Z Deep Groove Ball Bearing – High Quality Factory Wholesale

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info@skflcl.com

WhatsApp: +86 183 6598 6523

Shanghai, China

<div class="bg-white rounded-2xl p-8 sm:p-10 shadow-2xl text-center"><div class="w-16 h-16 mx-auto bg-green-100 rounded-full flex items-center justify-center mb-5"><svg class="w-8 h-8 text-green-600" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7"/></svg></div><h3 class="text-2xl font-black text-[#003366] mb-3">Quote Request Received!</h3><p class="text-gray-600 leading-relaxed mb-5">Thank you for your inquiry. Our sales team will respond within <strong class="text-[#005EB8]">2 business hours</strong> with a firm quote and stock confirmation.</p><div class="bg-sky-50 rounded-xl p-4 border border-sky-200 text-left text-sm"><div class="font-bold text-[#003366] mb-2">What happens next?</div><ul class="space-y-1 text-gray-600"><li>✓ We confirm stock availability</li><li>✓ Send firm pricing with shipping options</li><li>✓ Provide payment instructions</li><li>✓ Dispatch within 24 hours of payment</li></ul></div></div>

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Brand	SKF (Authorized)
Product Name	W638/4R-2Z W638/4X-2RS1 W638/4X-2Z Deep Groove Ball Bearing – High Quality Factory Wholesale
Category	Deep Groove Ball Bearing
Country of Origin	Authorized SKF Channel
Stock Status	In Stock · Shanghai Warehouse
Minimum Order Quantity	1 Piece
Packaging	Original SKF Box · Anti-counterfeit Seal
Payment Terms	T/T 100% (small orders) · L/C (large orders)
Warranty	12 Months Manufacturer Warranty

W638/4R-2Z W638/4X-2RS1 W638/4X-2Z Deep Groove Ball Bearing – High Quality Factory Wholesale

Quick Specifications

Basic Info.

Introduction

Description

Basic Info.

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W638/4R-2Z W638/4X-2RS1 W638/4X-2Z Deep Groove Ball Bearing – High Quality Factory Wholesale

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W638/4R-2Z W638/4X-2RS1 W638/4X-2Z Deep Groove Ball Bearing – High Quality Factory Wholesale

Quick Specifications

Basic Info.

Introduction

Description

Basic Info.

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W638/4R-2Z W638/4X-2RS1 W638/4X-2Z Deep Groove Ball Bearing – High Quality Factory Wholesale