Whittet Higgins BHM-03 Bearhug Retaining Nut Hardened Alloy - High Strength
- T 0.664-32
- D 1.125″
- B 0.406″
Genuine Whittet-Higgins product, Whittet-Higgins
- Regular price
- $24.16
- Sale price
- $24.16
- Regular price
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Quantity pricingApplied at checkout
- 20–49 5% off$22.95 ea
- 50–99 8% off$22.23 ea
- 100–199 15% off$20.54 ea
- 200–499 18% off$19.81 ea
- 500+ 25% off$18.12 ea
Same-day shipping
Order by 3 PM ET for same-day shipping
Free shipping on orders over $100
Use code at checkout.
Whittet-Higgins BHM-03
$24.16
Why Apollo USA
Bearing locknuts and retaining parts from Apollo Industries, Oxford, Michigan
Apollo Industries supplies bearings, locknuts, lockwashers and maintenance tools to businesses across the US, with real people on the phone when you need a part matched.
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Same-day shipping
Order by 3 PM EST for same-day shipping.
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Free shipping over $100
All orders over $100 ship free by ground with code FREESHIP.
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90-day returns
Hassle-free returns on unused items within 90 days.
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Price match
Show us a competitor's advertised price on the same item and we will match it.
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Expert support
Support staff available by phone, web chat or email.
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Need tax exemption or quantity pricing?
We offer special rates for businesses and bulk orders.
Talk to a parts specialist
2695 Lake George RdOxford, MI 48370
Overview
Whittet-Higgins BHM-03 Bearhug retaining nut hardened alloy
The Whittet-Higgins BEARHUG (BHM series) is a high-strength, prevailing-torque self-locking bearing locknut that threads onto a shaft or sleeve to retain and preload bearings without a separate lockwasher or a cut shaft keyway. A hardened alloy locknut body carries high axial loads, while an integral heat-stabilized polymer locking ring engages the threads to hold the assembly secure against vibration, shock, and torque.
It offers infinite adjustment and preloading capability without damaging the shaft threads, and is balanced for higher-speed, high-precision assemblies. The BEARHUG meets and exceeds ANSI/ABMA 8.2-1999 and is manufactured in the USA.
Key features
- Hardened alloy locknut with an integral heat-stabilized polymer locking ring
- Prevailing-torque self-locking; resists loosening from vibration, shock, and torque
- Replaces the traditional locknut-and-lockwasher pair for easier, faster installation
- Eliminates the need to cut or repair a shaft keyway
- Infinite adjustment and preloading without damaging shaft threads
- Balanced design for higher-speed applications
- Meets and exceeds ANSI/ABMA 8.2-1999
- Maximum operating temperature 160 degrees F
- Manufactured in the USA and RoHS compliant
Specifications
Whittet-Higgins BHM-03 dimensions & specifications
- PDFBHM-03 part print (opens in a new tab)
- STEP3D CAD model (opens in a new tab)
- PDFBHM series spec sheet (opens in a new tab)
Files from Whittet-Higgins. They open in a new tab.
- Type
- Bearhug self-locking locknut
- Thread T
- 0.664-32 (16.87 mm, 32 threads per inch)
- Outside diameter (max.) D
- 1.125 in (28.57 mm)
- Face diameter (max.) F
- 0.938 in (23.83 mm)
- Width (max.) B
- 0.406 in (10.31 mm)
- Theoretical axial load
- 15,500 lbf (68.9 kN)
- Material
- Carbon Steel
- Country of origin
- USA
- Series
- Bearhug BHM series (high strength)
- Standard
- ANSI/ABMA 8.2-1999 meets and exceeds
- Weight
- 0.06 lb
- Brand
- Whittet-Higgins
- Part number
- BHM-03 also written BHM03
- UPC / EAN
- 751968340300
Use it with
Parts and tools for your BHM-03
What Whittet-Higgins pairs with the BHM-03. Tick what you need and add it with one click.
Same size, other versions
Other versions of the BHM-03
The same size in other Whittet-Higgins series: left-hand thread, stainless steel, high strength, precision or self-locking designs.
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$11.19
In stock
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Whittet-Higgins
BHL-03Whittet Higgins BHL-03 Bearhug Left Handed Retaining Nut
Bearhug BHL series (left-handed) · left-hand thread
$19.89
In stock
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Whittet-Higgins
BHS-03Whittet Higgins BHS-03 Bearhug Retaining Nut - Stainless
Bearhug BHS series (stainless)
$32.75
In stock
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Whittet-Higgins
BHT-03Whittet Higgins BHT-03 Bearhug Locknut, All Steel
Bearhug BHT series (heat resistant)
$42.55
In stock
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$60.69
In stock
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$14.88
In stock
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$4.64
In stock
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Whittet-Higgins
NL-03Whittet Higgins NL-03 Locknut
Locknut NL series (left-handed) · left-hand thread
$8.21
In stock
Part number explained
What every part of BHM-03 means
- BHM
- Bearhug self-locking locknut, Bearhug BHM series (high strength)
- 03
- Size 03: 0.664-32 thread
Catalogs & documents
Whittet-Higgins BHM-03 catalogs & documents
Official catalogs and data from the manufacturer. They open as PDFs in a new tab.
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Product document
Catalog Bearhug – BHM Series (Left-Handed) (opens in a new tab)
PDF · AllPagesDrop pages
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Catalog
Whittet-Higgins Handbook of Engineering & Design (rev. 2018) (opens in a new tab)
PDF · 93.0 MB · English
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Mounting
Whittet-Higgins Assembly Instructions (opens in a new tab)
PDF · 0.2 MB · English
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Safety
Whittet-Higgins Standard Statements: Prop 65, RoHS3, REACH (opens in a new tab)
PDF · 0.1 MB · English
About the brand
About Whittet-Higgins
Bearing locknuts, lockwashers and retaining devices from Rhode Island since 1914.
Henry Whittet and John Higgins founded the Whittet-Higgins Manufacturing Company in 1914 in the basement of a mill on Congress Avenue in Providence, Rhode Island, making super-precision bearing retaining components and machined parts for local machine builders such as Brown & Sharpe.
In 1967 the company was sold to a young mechanical engineer, and in 1969 it moved to 33 Higginson Avenue in Central Falls, Rhode Island, where it still makes its products. Its first line of 66 locknuts and lockwashers has grown to more than 4,300 standard parts, made on robotic CNC systems.
Besides the standard N/AN and KM locknuts with W and MB lockwashers, Whittet-Higgins makes its own self-locking designs: Bearhug prevailing-torque locknuts, Bearlok, Shoelok and Tangentlok clamping locknuts, clampnuts and splitnuts, plus adapter sets, clamp collars and installation tools. The company is family owned and operated.
Genuine Whittet-Higgins product from an authorized retailer
Founded
1914
Headquarters
Central Falls, Rhode Island, USA
Standard parts
More than 4,300
Made in
Central Falls, Rhode Island
Known for
- Bearing locknuts and lockwashers, inch and metric
- Bearhug self-locking locknuts
- Clampnuts, splitnuts and clamp collars
- Adapter sets and installation tools
Apollo Industries is an authorized Whittet-Higgins retailer. All Whittet-Higgins trademarks and product names are the property of their respective owners.
FAQ
BHM-03 questions & answers
What size is the Whittet-Higgins BHM-03?
The Whittet-Higgins BHM-03 is a Bearhug self-locking locknut. Thread: 0.664-32 (16.87 mm, 32 threads per inch). Outside diameter: 1.125 in (28.57 mm). Face diameter: 0.938 in (23.83 mm). Width: 0.406 in (10.31 mm). These are Whittet-Higgins' maximum sizes from its spec sheet.
What thread does the BHM-03 fit?
The Whittet-Higgins BHM-03 fits a 0.664-32 right-hand shaft thread (16.87 mm, 32 threads per inch).
Does the BHM-03 need a lockwasher?
No. The Whittet-Higgins BHM-03 locks itself: a heat-stabilized polymer locking ring grips the shaft thread (prevailing torque). It needs no lockwasher and no keyway in the shaft.
What tool installs the BHM-03?
Whittet-Higgins' BAS-03 assembly socket: it holds all four spanner slots and takes a square-drive ratchet or torque wrench.
What temperature can the BHM-03 take?
Whittet-Higgins rates the Bearhug BHM series (high strength) for up to 160 °F (71 °C).
What is the BHM-03 made of?
Locknut: hardened alloy; Locking ring: heat-stabilized polymer.
Is there a drawing or CAD model of the BHM-03?
Yes. Whittet-Higgins publishes a part print (PDF) and a 3D CAD model (STEP) for the BHM-03. The drawing on this page is made from the same catalog dimensions.
How do I install the BHM-03?
Follow Whittet-Higgins' assembly instructions for this part (PDF). In short: lubricate the shaft thread, turn the Bearhug on with its smaller bevel face toward the bearing, and tighten it with a spanner wrench or the BAS-03 assembly socket to the bearing maker's preload. Do not use it to push parts along the shaft.
Is this a genuine Whittet-Higgins locknut?
Yes. Apollo Industries is an authorized Whittet-Higgins retailer, and every Whittet-Higgins part we sell is genuine, made by Whittet-Higgins in Central Falls, Rhode Island, USA.
Do you ship the BHM-03 the same day?
In-stock orders placed by 3 PM EST ship the same day. All orders over $100 ship free by ground with code FREESHIP.
Can I get quantity pricing or buy tax-exempt?
Yes. Apollo offers special rates for businesses and bulk orders. Use Request a quote on this page or call (248) 429-9073.
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