how do you attach these ?

I hot glued them to the bottom of what i need them on for a quick fix. Probably for the best looking result and performance, you could drill a hole and press fit them in with a bit of glue. It will probably depend on what you want to use them for. There really isn't an included adhesive or instructions

What is the height of the plastic housing? Specifically what depth hole do I need to drill to fit these into?

If you are limited for space, 5/16" is the minimum depth. 3/8" will give you plenty of clearance.

Is there any metal in Theseus there any metal in these

If the question is, "Is there any metal in them?" No, they are all nylon.

Can the ball bearing be temporarily removed, either the all-nylon or the nylon + steel version?

Even if you could, I suggest you don’t because even if the bearings housing survived the prying , it would most certainly be warped if not outright damaged.

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10 Pieces Mini Nylon Ball Transfer Bearing Unit Table Conveyor Roller Ball for Transmission, Furniture,Wheelchair 1/3inch

10 Pieces Mini Nylon Ball Transfer Bearing Unit Table Conveyor Roller Ball for Transmission, Furniture,Wheelchair 1/3inch

Product ID: 149612517

Details

Bearing Number
NL 8H
Brand
EINGSDFGCH
Item Weight
6.8 g
Item dimensions L x W x H
0.57 x 0.57 x
Material
Nylon

🔄360° omni-directional rotation

🧵Durable lightweight nylon

⚖️Up to 6.6 lbs load capacity

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€ 21.03

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Description

🔄 Roll with the pros: tiny balls, massive impact!

ROBUST LOAD HANDLING - Each unit supports up to 6.6 lbs, ideal for lightweight furniture, conveyors, and delicate equipment.
SEAMLESS 360 MOVEMENT - Experience effortless omni-directional transfer for smooth, frictionless motion in any direction.
COMPACT PRECISION DESIGN - Mini 1/3 inch ball diameter fits perfectly in tight spaces without compromising performance.
PREMIUM NYLON CONSTRUCTION - High-quality nylon ensures durability, reduced noise, and corrosion resistance for long-lasting use.
VERSATILE INDUSTRY APPLICATIONS - Perfect for electronics, furniture, wheelchairs, and even creative DIY projects like doll furniture upgrades.

This set of 10 mini nylon ball transfer bearing units offers smooth 360° omni-directional movement with a compact 1/3 inch ball diameter. Each unit supports loads up to 6.6 lbs, crafted from durable, lightweight nylon for quiet, corrosion-resistant operation. Ideal for industrial conveyors, furniture, wheelchairs, and innovative DIY uses, these units combine precision engineering with versatile functionality.

Specifications

ASIN	B07VGGVXMH
Bearing Number	NL 8H
Bearing Type	Ball Bearing
Best Sellers Rank	#86,850 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #19 in Ball Transfers
Brand Name	EINGSDFGCH
Compatible Lubricant	Grease
Customer Reviews	4.5 4.5 out of 5 stars (55)
Item Dimensions	0.57 x 0.57 x 0.4 inches
Item Thickness	0.33 Inches
Item Weight	6.8 g
Manufacturer	CHUANGRONG
Material Type	Nylon
Model	MNB001
Outside Diameter	0.5 Inches
Part Number	MNB001
Specification Met	No

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€ 21.03

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Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

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