Small Parts & Bearings - an MBA company

WBC39ZZA NTN


Cross Referenced Part Numbers



MR93A-ZZMC3 NTN part number WBC3-9-ZZA



ID (d): 3.000. OD (D): 9.000. Width (B): 4.000.

Rec. Retail Price: 0.00     
(As low as in bulk)     
Stock: 88     


Category Matches

Dental Handpiece Parts


639A Friction Grip Kavo Parts
639A Friction Grip Kavo Parts


Bearings and Spare Parts

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


639B - 639C Push Button Kavo Parts
639B - 639C Push Button Kavo Parts


Bearings and Spare Parts

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


Gears - Spur - 64DP - Aluminium
Gears - Spur -  64DP - Aluminium

Also see combined categories:
All Imperial Spur Gears
All Spur Gears

PCD = No. of Teeth x 0.397mm (1/64 in.). 20o Pressure Angle. 5052 aluminium. DP stands for Diametrical Pitch and is an imperial measurement system.

Plastic and metallic. FairlocTM Hub Type require controlled shaft tolerances between 0.0025 and 0.0203 mm Clearance. 64 Diametrical Pitch. Approx 1.25mm between teeth. For easy ready selected sets of rack and gear please see the HES website.

Related Information:


Gears - Spur - 64DP - Brass
Gears - Spur -  64DP - Brass

Also see combined categories:
All Imperial Spur Gears
All Spur Gears

PCD = No. of Teeth x 0.397mm (1/64 in.). 20o Pressure Angle. DP stands for Diametrical Pitch and is an imperial measurement system.

Plastic and metallic. FairlocTM Hub Type require controlled shaft tolerances between 0.0025 and 0.0203 mm Clearance. 64 Diametrical Pitch. Approx 1.25mm between teeth. For easy ready selected sets of rack and gear please see the HES website.

Related Information:


Gears - Spur - 64DP - Plastic
Gears - Spur -  64DP - Plastic

Also see combined categories:
All Imperial Spur Gears
All Spur Gears

PCD = No. of Teeth x 0.397mm (1/64 in.). 20o Pressure Angle. Acetal. DP stands for Diametrical Pitch and is an imperial measurement system.

Plastic and metallic. FairlocTM Hub Type require controlled shaft tolerances between 0.0025 and 0.0203 mm Clearance. 64 Diametrical Pitch. Approx 1.25mm between teeth. For easy ready selected sets of rack and gear please see the HES website.

Related Information:


Gears - Spur - 64DP - Stainless
Gears - Spur -  64DP - Stainless

Also see combined categories:
All Imperial Spur Gears
All Spur Gears

PCD = No. of Teeth x 0.397mm (1/64 in.). 20o Pressure Angle. DP stands for Diametrical Pitch and is an imperial measurement system.

Plastic and metallic. FairlocTM Hub Type require controlled shaft tolerances between 0.0025 and 0.0203 mm Clearance. 64 Diametrical Pitch. Approx 1.25mm between teeth. For easy ready selected sets of rack and gear please see the HES website.

Related Information:


Couplings - Spider Type B - Complete
Couplings - Spider Type B - Complete

Also see combined categories:
All Insert and Jaw Type Couplings

Max 3600 RPM. 0.39 to 16.27 Nm. Match only hubs and spiders from listings SPIDER TYPE B. Insert is set between the jaws of two hubs.

Angular Offset = 1 Deg. Max. Parallel Offset = 0.381mm Max. Max Recommended Speed 3600 RPM. Rubber spider and metal hubs.

Related Information:


Gears - Spur - 64DP - Plastic with Insert
Gears - Spur -  64DP - Plastic with Insert

Also see combined categories:
All Imperial Spur Gears
All Spur Gears

PCD = No. of Teeth x 0.397mm (1/64 in.). 20o Pressure Angle. Acetal. DP stands for Diametrical Pitch and is an imperial measurement system.

Plastic and metallic. FairlocTM Hub Type require controlled shaft tolerances between 0.0025 and 0.0203 mm Clearance. 64 Diametrical Pitch. Approx 1.25mm between teeth. For easy ready selected sets of rack and gear please see the HES website.

Related Information:


Catches - Snap In Style - Grabber -tm-
Catches - Snap In Style - Grabber -tm-


Fast economical installation.

Fits frames from 1.1 to 7.1mm thick. Installation hole size 15mm x 39.9mm. Push to close and pull to open. Spring loaded over centre action. Corrosion resistant black ABS with 303 stainless steel spring.


Main Pages



Freight Rates
Terms and Conditions
Privacy Policy

Registered Australian Company: Small Parts & Bearings Pty Ltd (ABN 79 121 865 414)

Small Parts & Bearings offers 124539 products in 2770 categories including ball bearings, roller bearings, thrust bearings, ceramic and ceramic hybrid bearings, stainless steel bearings, miniature bearings, linear bearings, shafting, oil seals and adhesives - see the full listing in the Online Catalogue. We have excellent Freight Rates within Australia and worldwide. We offer a choice of delivery with a signature required, or cheaper options with no signature required. The no signature required options are at the customer’s risk once the goods leave our store.

Using the links throughout this site you will find extensive information including catalogues, technical data, and other product specific information. We sell our products worldwide through our online store and our overseas freight rates are competitive for fully traceable courier delivery.

Small Parts & Bearings is part of MBA Group offering a select range from the MBA Group catalogue.

Small Parts & Bearings products are not authorised for sale into the USA or Canada due to the reluctance of Australian insurers to provide product liability insurance into those two countries.

Information on this website is Copyright Small Parts & Bearings 1997. All rights reserved.

Freight Rates
Terms and Conditions
Privacy Policy

Registered Australian Company: Small Parts & Bearings Pty Ltd (ABN 79 121 865 414)

Small Parts & Bearings offers 124539 products in 2770 categories including ball bearings, roller bearings, thrust bearings, ceramic and ceramic hybrid bearings, stainless steel bearings, miniature bearings, linear bearings, shafting, oil seals and adhesives - see the full listing in the Online Catalogue. We have excellent Freight Rates within Australia and worldwide. We offer a choice of delivery with a signature required, or cheaper options with no signature required. The no signature required options are at the customer’s risk once the goods leave our store.

Using the links throughout this site you will find extensive information including catalogues, technical data, and other product specific information. We sell our products worldwide through our online store and our overseas freight rates are competitive for fully traceable courier delivery.

Small Parts & Bearings is part of MBA Group offering a select range from the MBA Group catalogue.

Small Parts & Bearings products are not authorised for sale into the USA or Canada due to the reluctance of Australian insurers to provide product liability insurance into those two countries.

Information on this website is Copyright Small Parts & Bearings 1997. All rights reserved.