Whittet Higgins BHI-13 Bearhug Retaining Nut - 16 TPI Threads
- T 2.500-16
- D 3.500″
- B 0.688″
Genuine Whittet-Higgins product, Whittet-Higgins
- Regular price
- $39.45
- Sale price
- $39.45
- Regular price
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Quantity pricingApplied at checkout
- 20–49 5% off$37.48 ea
- 50–99 8% off$36.29 ea
- 100–199 15% off$33.53 ea
- 200–499 18% off$32.35 ea
- 500+ 25% off$29.59 ea
Same-day shipping
Order by 3 PM ET for same-day shipping
Free shipping on orders over $100
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Whittet-Higgins BHI-13
$39.45
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 BHI-13 Bearhug retaining nut
The Whittet-Higgins BEARHUG (BHI series) is a self-contained, prevailing-torque self-locking bearing locknut that threads onto a shaft to position, retain, and preload bearings and other shaft-mounted components. It locks through an integral heat-stabilized polymer locking ring, which generates prevailing torque to hold the nut against loosening from vibration, shock, and torque without damaging the shaft threads.
Cut with 16 threads per inch for finer assembly adjustment and infinite preload capability, the BEARHUG installs faster than a traditional locknut-and-lockwasher pair and eliminates any need to cut or repair a shaft keyway. The carbon steel body is balanced for higher-speed operation and meets and exceeds the requirements of ANSI/ABMA 8.2-1999.
Key features
- Prevailing-torque self-locking action through an integral heat-stabilized polymer locking ring
- 16 threads per inch (TPI) for finer assembly adjustment and infinite preload capability
- Locknut body machined from carbon steel
- Resists loosening due to vibration, shock, and torque
- Balanced for higher-speed applications
- Does not damage shaft threads and eliminates cutting or repairing the shaft keyway
- Installs easier and faster than a traditional locknut and lockwasher
- Maximum operating temperature of 160 Deg F
- Meets and exceeds ANSI/ABMA 8.2-1999; manufactured in the USA and RoHS compliant
Specifications
Whittet-Higgins BHI-13 dimensions & specifications
- PDFBHI-13 part print (opens in a new tab)
- STEP3D CAD model (opens in a new tab)
- PDFBHI 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
- 2.500-16 (63.50 mm, 16 threads per inch)
- Outside diameter (max.) D
- 3.500 in (88.90 mm)
- Face diameter (max.) F
- 3.125 in (79.38 mm)
- Width (max.) B
- 0.688 in (17.48 mm)
- Theoretical axial load
- 79,500 lbf (353.6 kN)
- Material
- Carbon Steel
- Country of origin
- USA
- Series
- Bearhug BHI series (16 TPI)
- Standard
- ANSI/ABMA 8.2-1999 meets and exceeds
- Weight
- 0.7 lb
- Brand
- Whittet-Higgins
- Part number
- BHI-13 also written BHI13
- UPC / EAN
- 751968321309
Use it with
Parts and tools for your BHI-13
What Whittet-Higgins pairs with the BHI-13. Tick what you need and add it with one click.
Same size, other versions
Other versions of the BHI-13
The same size in other Whittet-Higgins series: left-hand thread, stainless steel, high strength, precision or self-locking designs.
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Part number explained
What every part of BHI-13 means
- BHI
- Bearhug self-locking locknut, Bearhug BHI series (16 TPI)
- 13
- Size 13: 2.500-16 thread
Catalogs & documents
Whittet-Higgins BHI-13 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 – BHI Series (16 TPI) (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
BHI-13 questions & answers
What size is the Whittet-Higgins BHI-13?
The Whittet-Higgins BHI-13 is a Bearhug self-locking locknut. Thread: 2.500-16 (63.50 mm, 16 threads per inch). Outside diameter: 3.500 in (88.90 mm). Face diameter: 3.125 in (79.38 mm). Width: 0.688 in (17.48 mm). These are Whittet-Higgins' maximum sizes from its spec sheet.
What thread does the BHI-13 fit?
The Whittet-Higgins BHI-13 fits a 2.500-16 right-hand shaft thread (63.50 mm, 16 threads per inch).
Does the BHI-13 need a lockwasher?
No. The Whittet-Higgins BHI-13 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 temperature can the BHI-13 take?
Whittet-Higgins rates the Bearhug BHI series (16 TPI) for up to 160 °F (71 °C).
What is the BHI-13 made of?
Locknut: carbon steel; Locking ring: heat-stabilized polymer.
Is there a drawing or CAD model of the BHI-13?
Yes. Whittet-Higgins publishes a part print (PDF) and a 3D CAD model (STEP) for the BHI-13. The drawing on this page is made from the same catalog dimensions.
How do I install the BHI-13?
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 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 BHI-13 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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