Is the inner race thicker than the outer race, or are both exactly 3/16” thick?

outer .188, inner .1865 video will not attach

Is the ID truly .250" or is it smaller as detailed in some of the reviews?

The inside diameter is .2485” the fit over a 1/4 20 screw perfectly

What is the highest RPM speed these are rated for?

10,000 rpm, but you may have to de-rate, depending on your load.

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

uxcell R188ZZ Deep Groove Ball Bearings Z2 1/4 Inch x 1/2 Inch x 3/16 Inch Do...

uxcell R188ZZ Deep Groove Ball Bearings Z2 1/4 Inch x 1/2 Inch x 3/16 Inch Do...

Product ID: 195248370

Details

Bearing Number
R188ZZ
Brand
uxcell
Item Weight
0.02 Kilograms
Item dimensions L x W x H
16 x 2 x 2
Material
Metal

🔇Z2 noise level for whisper-quiet operation

⚙️1/4" I.D. x 1/2" O.D. x 3/16" thickness

🛡️Double shielded for superior lubricant retention

57.69 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Description

🛹 Spin Smooth, Ride Quiet, Own the Moment

BUILT TO LAST - Crafted from durable Chromium Steel (GCr15) to withstand heavy loads and daily wear.
SEALED FOR LIFE - Double-sided shields lock in lubricant and keep out dirt, extending bearing lifespan.
SILENT PERFORMER - Z2 noise rating means these bearings spin quietly, perfect for focused work or play.
VERSATILE POWERHOUSE - Ideal for skateboards, DIY gadgets, and light industrial applications—upgrade your gear effortlessly.
PRECISION THAT GLIDES - ABEC 1 tolerance ensures smooth, reliable rotation for your projects and rides.

The uxcell R188ZZ Deep Groove Ball Bearings are precision-engineered, double-shielded chrome steel bearings measuring 1/4" x 1/2" x 3/16". Rated with ABEC 1 tolerance and Z2 noise level, they deliver smooth, quiet performance under static loads up to 80N and dynamic loads up to 207N. Perfect for skateboard upgrades, DIY projects, and light industrial use, these 10-pack bearings combine durability and silent operation to elevate your mechanical builds.

Specifications

Asin	B082PQ9FSY
Bearing Number	R188ZZ
Bearing Type	Ball Bearing
Best Sellers Rank	#92,287 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #468 in Deep-Groove Ball Bearings
Brand Name	uxcell
Compatible Lubricant	Oil
Customer Reviews	4.4 4.4 out of 5 stars (393) 4.4 out of 5 stars
Item Dimensions	16 x 2 x 2 inches
Item Highlight	Double Shielded, Chrome Steel, Skateboard Bearings Industrial
Item Thickness	0.19 inches
Item Weight	0.02 kg
Manufacturer	uxcell
Material Type	Metal
Model	a19101000ux0342
Outside Diameter	0.5 inches
Part Number	a19101000ux0342

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.