Can anyone tell me the OD of the shaft we are going to mount these from below so I need to figure out how big of a hole to make?

I just measured it and a hole of 1 and 5/8 inches would leave about 1/16 clearance. The height is 5/8 inch before it starts to taper in, so the plank that it is mounted would probably not need to be any taller than that.

Is there any oil requirements?

Bearings in some applications use oil, but grease is the lubricant of choice for 80 to 90% of bearings including ours. Grease consists of about 85% mineral or synthetic oil with thickeners rounding out the rest of the grease volume. Our Ball Transfer Bearings come pre-greased and should last quite some time.

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1" Roller Ball Transfer Bearings, 1,320 Lbs Total Load-Bearing Capacity (Set of 12)

1" Roller Ball Transfer Bearings, 1,320 Lbs Total Load-Bearing Capacity (Set of 12)

Product ID: 111701204

Details

Bore Diameter
30 millimeters
Brand
TruePower
Item Weight
16 ounces
Item dimensions L x W x H
2 x 2 x 2
Material
Stainless

🔄360º universal rotation

⚙️110 lbs load per bearing

🛠️1" hardened steel balls

£95.58

Duties & taxes included

In stock

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Description

🔄 Elevate your workflow with 360º precision and unstoppable load power!

SECURE MOUNTING DESIGN - Dual screw holes for rock-solid attachment—stability you can trust.
SEAMLESS 360 MOVEMENT - Effortlessly push and pivot materials in any direction with universal transfer bearings.
HEAVY DUTY LOAD CAPACITY - Supports up to 1,320 lbs total—built to handle your toughest workshop projects.
PRECISION HARDENED STEEL - Durable 1" steel balls ensure smooth, reliable rotation under pressure.
VERSATILE WORKSHOP ESSENTIAL - Perfect for custom conveyor tables, outfeed rollers, and curved workpieces.

This set of 12 TruePower 1" roller ball transfer bearings features 360º universal rotation and a robust 110 lbs load capacity per bearing, totaling 1,320 lbs. Crafted with hardened steel balls and designed for secure mounting, these bearings optimize material handling in workshops, ideal for conveyor systems and curved workpieces. Note: for bearing side up use only, not as caster wheels.

Specifications

ASIN	B07P9B7PX1
Bearing Number	12
Bearing Type	Ball Bearing
Best Sellers Rank	#697,319 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #144 in Ball Transfers
Bore Diameter	30 millimeters
Brand Name	TruePower
Compatible Lubricant	Grease
Customer Reviews	4.3 4.3 out of 5 stars (133)
Item Dimensions	2 x 2 x 2 inches
Item Thickness	1 inches
Item Weight	16 ounces
Manufacturer	TruePower
Material Type	Stainless Steel
Model	GN-1-TransferBalls
Number of Items	12
Part Number	GN-1-TransferBalls

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