Could you use these for quad roller skates?

Quad skates could take 7 or 8mm bearings. If your old bearings have 608 written on them they're 8mm. If 627 then they're 7mm bearings.

Do these come with the spacers?

If you are referring to the spacers that go in between the bearing, then no. The box of bearings is all that comes when ordering these. You open the box, and there are 16 bearings inside. Nothing more.Hope that helps. P.S. I just bought these for a pair of Riedell high-boot skates that I have skated on for years. They are 1000% better now. I forgot what it was like to skate with good bearings.My skates don't have any spacers. These just press into the wheel. They are 7mm inside diameter, so be sure your skates require a 7mm bearing, not an 8mm.

Are these genuine Bones Swiss bearings and not fakes?

I am an authorized dealer and these are absolutely genuine bone Swiss bearings.

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Bones Powell-Peralta Swiss Precision Bearings -Inline, Roller Skates and Skateboarding (8 mm)

Product ID: 78384725

Details

Bearing Type
Roller Bearing
Brand
Bones
Item Weight
0.4 Pounds
Item dimensions L x W x H
10.2 x 5.1 x
Material
high speed

🚀Pre-lubed for max speed

⚙️8mm precision fit

🛡️Removable rubber shield

Description

⚡ Glide like a pro, last like a legend.

SWISS PRECISION ENGINEERING - Experience the legendary accuracy that top pros trust for over 24 years.
PRE LUBRICATED FOR INSTANT SPEED - Arrives race-ready with premium speed cream and racing lubricant for unmatched glide.
OPTIMIZED FOR HIGH SPEED PERFORMANCE - High-speed nylon ball retainer enhances strength and reduces friction for smooth rides.
EASY MAINTENANCE WITH REMOVABLE SHIELDS - Non-contact rubber shields allow quick cleaning without sacrificing performance.
DURABILITY THAT OUTLASTS THE COMPETITION - Bones Swiss bearings last multiple times longer than standard ABEC-rated bearings.

Bones Powell-Peralta Swiss Precision Bearings deliver professional-grade speed and durability with 8mm precision fit, pre-lubrication, and removable non-contact rubber shields. Trusted by world-class skaters for over two decades, these bearings combine Swiss manufacturing excellence with Bones Skate Rated™ design to ensure optimal performance and longevity in inline and roller skating.

Specifications

ASIN	B000PUIWJ6
Bearing Type	Roller Bearing
Brand Name	Bones
Country of Origin	USA
Customer Reviews	4.7 4.7 out of 5 stars (151)
Global Trade Identification Number	00845584003913
Item Dimensions	10.2 x 5.1 x 2.3 Centimeters
Item Type Name	Skating, Skateboarding, Scooters & Accessories
Item Weight	0.4 Pounds
Manufacturer	BONES SWISS
Material Type	high speed nylon
Model Number	BRAWBX816
Number of Items	1
Outside Diameter	8 Millimetres
Part Number	BRAWBX816
UPC	845584003913 175067198233

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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.

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