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#39220

30230784

Image for Illustration purposes only. Actual product may vary

Boston 30230784 47662 MCB4456 BEAR-N-BRONZE CORED BAR

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  • Typically ships in: 1 day
  • Weight: 19.5 lb
  • Unit of measure: each
  • Contact supplier for technical support on: 888-999-9860

$368.31 Each

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Returnable: See conditions

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Return policy

Item must be unused.

Item must be in it's original package.

25% Restocking, shipping and handling fees may apply to any return with this manufacturer.

For more information please consult https://www.mrosupply.com/page/returnwarranty-policy/

Return policy

Item must be unused.

Item must be in it's original package.

25% Restocking, shipping and handling fees may apply to any return with this manufacturer.

For more information please consult https://www.mrosupply.com/page/returnwarranty-policy/

Nov. 4, 2018

The most notable thing about them is that they are relatively cheaper compared to the ceramic models. The ceramic bearings are capable of spinning at faster rates compared to the steel ones because they generate less heat. However, they are more fragile compared to those made of steel.

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Additional Description

Specifications
Altra Master No30230784
UPC781711476628
Inside Diameter Fra In2.750000
Outside Diameter Fra In3.5000
DescriptionBear-N-Bronz is Boston Gear's general purpose, cast, solid bronze bearing material. It is a high grade, leaded tin bronze, having good hardness, strength, wear-resistance and exceptional anti-friction qualities. It is particularly suited for moderate to heavy loads at normal to relatively high speeds. All parts are rigidly inspected to assure freedom from porosity and conformance to dimensional tolerances. In addition, our standard product offering, the Bear-N-Bronz material can be provided in different sizes, bar lengths (up to 105"), and with oil grooves.
Family NameBear-N-Bronz
Length Fra In13.000000
Max Pv Value75,000
Max P Value Psi3,000
Max V Value Fpm750
Product DescriptionBearing, Bar, Cored, 660 Cast Bronze
Weight Lbs19-1/2
Family Id30,071
Unit Of MeasureEnglish
california provisionWARNING: This product contains lead, known to the State of California to cause cancer and birth defects or other reproductive harm.

Specifications:

Length 13
I.D. 2.75
Material 660 Cast Bronze
O.D. 3.5
Reviews

SKU: 36216

Worm

Haven't used them yet, but they match the worm gear perfectly. They should serve the purpose for which I purchased them.

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SKU: 37408

New lead screw gear.

Used this gear on a new lead screw l made for my old 1919 LeBlond belt drive lathe. It worked great for my application.

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SKU: 35645

Change gears

Found what I needed, fair price,...fast delivery....All Good!! Good job MRO Supply!

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SKU: 35599

80 tooth change gear

Exact part for the machine, deliverd quickly, and priced right!

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