12" Grinder Sander Serrated Contact Rubber Wheel Unopened Dynamically Balanced

12" Grinder Sander Serrated Contact Rubber Wheel Unopened Dynamically Balanced

Available: Out of Stock
Product SKU: 2X12YCYMJL0000001V0
$52.99 USD
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This brand 12" Serrated Rubber Contact Wheel is commonly used on 2x72 grinders for making etc. It is also a perfect choice for hollow-grinding straight razor, poket knives, hunting knives, axes etc.

This wheel is 12" in diameter and made of serrated medium density rubber. It has two large 6206 bearings installed in the hub. The 6206 bearings have a 1.18" (30 mm) bore. The hub is cast aluminum and the bearing bore is precision machined. The bearings are press fit into the hub and shoulder against internal retaining rings. The retaining rings sit in a slot cut inside the hub. There is a heavy machined spacer in the hub between the bearings so you cannot squeeze the bearings together and over tighten them with a bolt. The hub has a few scratch marks and sometimes some small porosity spots but they are only cosmetic. This wheel is balanced with small stick on wheel weights if needed. The concentricity of this wheel is excellent.

Tips: termionlogy confusion
Contact wheel- The lower wheel in a set up that is used for hollow grinding. It may be either a driven or idler wheel, depending on your set up, usually driven.If an idler it will either have bearings in it so it may spin on a fixed shaft or be keyed to a shaft that spins.
Idler wheel- A wheel that has bearings in it or is secured to a shaft that spins in bearings and is driven by the sanding belt, not shaft or motor
Drive wheel- A wheel that does not have bearings in it and is secured to the shaft, either directly to a motor shaft or to a shaft driven by a pulley or coupling. The drive wheel is often keyed to the shaft with a 3/16" woodruff or square key. Drive wheels, by definition, never have bearings in them.
  • Serrated rubber contact wheel for belt grinder
  • Standard sizes - 12" diameter x 2" wide
  • Fits 2" wide sanding belts
  • This wheel has been balanced
  • These come with 1.18" (30 mm)I.D. bearings for a 1.18" (30 mm) bolt
  • Comes with bearings pressed in
  • Hardness 75 Duro(the most widely used grinding wheels hardness used by the makers)
  • Recommended running speed for this wheel should be around 800-3600 RPM’s
  • Shaft locking bearings allow aligning the contact wheel with the other wheels on the machine much easier than using other mounting systems
Specifications:
  • Material: Aluminum + rubber
  • Bearing model: 6206
  • 70 Duro Rubber
  • Wheel Diameter : 12"(30cm)
  • Wheel wide: 2 inch (5cm)
  • Ball bearing ID : 1.2" (30 mm), wheel is counter bored to a shoulder so bearings will not move
  • Packing size: 13X13X3inch/31X31X6cm
  • Gross weight: 9lbs/4kg
Package Content:
  • 1 X 12" Serrated Contact Wheel
This brand 12" Serrated Rubber Contact Wheel is commonly used on 2x72 grinders for making etc. It is also a perfect choice for hollow-grinding straight razor, poket knives, hunting knives, axes etc.

This wheel is 12" in diameter and made of serrated medium density rubber. It has two large 6206 bearings installed in the hub. The 6206 bearings have a 1.18" (30 mm) bore. The hub is cast aluminum and the bearing bore is precision machined. The bearings are press fit into the hub and shoulder against internal retaining rings. The retaining rings sit in a slot cut inside the hub. There is a heavy machined spacer in the hub between the bearings so you cannot squeeze the bearings together and over tighten them with a bolt. The hub has a few scratch marks and sometimes some small porosity spots but they are only cosmetic. This wheel is balanced with small stick on wheel weights if needed. The concentricity of this wheel is excellent.

Tips: termionlogy confusion
Contact wheel- The lower wheel in a set up that is used for hollow grinding. It may be either a driven or idler wheel, depending on your set up, usually driven.If an idler it will either have bearings in it so it may spin on a fixed shaft or be keyed to a shaft that spins.
Idler wheel- A wheel that has bearings in it or is secured to a shaft that spins in bearings and is driven by the sanding belt, not shaft or motor
Drive wheel- A wheel that does not have bearings in it and is secured to the shaft, either directly to a motor shaft or to a shaft driven by a pulley or coupling. The drive wheel is often keyed to the shaft with a 3/16" woodruff or square key. Drive wheels, by definition, never have bearings in them.
  • Serrated rubber contact wheel for belt grinder
  • Standard sizes - 12" diameter x 2" wide
  • Fits 2" wide sanding belts
  • This wheel has been balanced
  • These come with 1.18" (30 mm)I.D. bearings for a 1.18" (30 mm) bolt
  • Comes with bearings pressed in
  • Hardness 75 Duro(the most widely used grinding wheels hardness used by the makers)
  • Recommended running speed for this wheel should be around 800-3600 RPM’s
  • Shaft locking bearings allow aligning the contact wheel with the other wheels on the machine much easier than using other mounting systems
Specifications:
  • Material: Aluminum + rubber
  • Bearing model: 6206
  • 70 Duro Rubber
  • Wheel Diameter : 12"(30cm)
  • Wheel wide: 2 inch (5cm)
  • Ball bearing ID : 1.2" (30 mm), wheel is counter bored to a shoulder so bearings will not move
  • Packing size: 13X13X3inch/31X31X6cm
  • Gross weight: 9lbs/4kg
Package Content:
  • 1 X 12" Serrated Contact Wheel

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Customer Reviews

Based on 5 reviews
60%
(3)
40%
(2)
0%
(0)
0%
(0)
0%
(0)
R
R.
You get what you pay for

Appears to be generally made well but it has issues. It’s not balanced even though it looks like an attempt was made to do so. The machining is sloppy, the aluminum was dumped to get the bearings to fit snug in the bore and the bearing boss isn’t centered. The outer wheel does run true or close enough for my purposes. It works but it’s out of balance enough that it makes my whole machine vibrate at certain rpms. Hard to do precise work like that.

D
D.O.
Hard to find all parts and pieces to make it work

Decent quality just takes a while to find all the parts to make it work because of the odd size 30mm bearings.

J
J.A.M.
Big wheel keep on rolling.

I have been using this 12” wheel whic in fact measures out at 11 3/4” but hey who’s counting. It is perfect for my hollow grinds on my recurve Bowie’s. The serration does help keep the belts cooler and it gives me a good blast of air while grinding. The edges come out great for shaping and plunging recassos. Great value for the price but my only complaint is the bearing inner diameter is 1.18”. It is huge so good luck finding a bolt or spacers to fit it. I had one machined.

w
w.h.
Works great

Works like a charm with this on my belt grinder I no longer need a bench grinder which frees up some bench space

V
V.C.
Good wheel.

Perfectly balanced with smooth bearings.

Customer Reviews

Based on 5 reviews
60%
(3)
40%
(2)
0%
(0)
0%
(0)
0%
(0)
R
R.
You get what you pay for

Appears to be generally made well but it has issues. It’s not balanced even though it looks like an attempt was made to do so. The machining is sloppy, the aluminum was dumped to get the bearings to fit snug in the bore and the bearing boss isn’t centered. The outer wheel does run true or close enough for my purposes. It works but it’s out of balance enough that it makes my whole machine vibrate at certain rpms. Hard to do precise work like that.

D
D.O.
Hard to find all parts and pieces to make it work

Decent quality just takes a while to find all the parts to make it work because of the odd size 30mm bearings.

J
J.A.M.
Big wheel keep on rolling.

I have been using this 12” wheel whic in fact measures out at 11 3/4” but hey who’s counting. It is perfect for my hollow grinds on my recurve Bowie’s. The serration does help keep the belts cooler and it gives me a good blast of air while grinding. The edges come out great for shaping and plunging recassos. Great value for the price but my only complaint is the bearing inner diameter is 1.18”. It is huge so good luck finding a bolt or spacers to fit it. I had one machined.

w
w.h.
Works great

Works like a charm with this on my belt grinder I no longer need a bench grinder which frees up some bench space

V
V.C.
Good wheel.

Perfectly balanced with smooth bearings.