Small Parts & Bearings - an MBA company

BA1012 NACHI


Cross Referenced Part Numbers



NSO-0159-0206-0191-ST Nachi part number BA-1012





Shaft Diameter (d): 15.875. OD (D): 20.638. Width (B): 19.050.

Retail Price: 0.00 (Each )     
Lower price for quantities     
Stock: Pre-Order (due 2 weeks)     
Due dates are estimates only     


Category Matches

Dental Handpiece Parts


Ultima 650L BA Parts
Ultima 650L BA 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.


Nuts Hex


Nuts - Hexagonal - Brass
Nuts - Hexagonal - Brass

Also see combined categories:
All Nuts

UNC - UNF - BA - METRIC.

Note! Thickness (H) and A/F (A) dimensions are usually considered not critical and may vary. If the A and H dimensions are critical for your application please consult us prior to ordering. Nuts marked as type SCALE have the same dimension across flats as the brass hex head screw of the same thread size. This category may be available in the new MBA online store at Nuts - Hexagonal - Brass.


Nuts - Hexagonal - Stainless Steel
Nuts - Hexagonal - Stainless Steel

Also see combined categories:
All Nuts

UNC - UNF - BA - METRIC - BSW - Course - Fine - Extra Fine.

Note! Thickness (H) and A/F (A) dimensions are usually considered not critical and may vary. If the A and H dimensions are critical for your application please consult us prior to ordering. This category may be available in the new MBA online store at Nuts - Hexagonal - Stainless Steel.


Pins Dowel


Pins - Dowel - Standard - Chamfered End - Plastic
Pins - Dowel - Standard - Chamfered End - Plastic

Also see combined categories:
All Dowel Pins

Plastic Dowel Pins - Based on DIN6325 or ISO2338

Also known as parallel pins. This category may be available in the new MBA online store at Pins - Dowel - Standard - Chamfered End - Plastic.

Related Information:


Screws Cheese Head


Screws - Fillister Head - Steel - Philips
Screws - Fillister Head - Steel - Philips

Also see combined categories:
All Machine Screws

Metal Thread Screws BA - UNC - UNF - METRIC

Nuts sold seperately - See Nuts. This category may be available in the new MBA online store at Screws - Fillister Head - Steel - Philips.

Related Information:


Screws - Fillister Head - Steel - Slotted
Screws - Fillister Head - Steel - Slotted

Also see combined categories:
All Machine Screws

Metal Thread Screws BA - UNC - UNF - METRIC

Nuts sold seperately - See Nuts. This category may be available in the new MBA online store at Screws - Fillister Head - Steel - Slotted.

Related Information:


Screws Countersunk


Screws - Countersunk - Steel - Slotted
Screws - Countersunk - Steel - Slotted

Also see combined categories:
All Countersunk Screws

Flat Head Countersunk UNC - UNF - BA - METRIC

Nuts sold seperately - See Nuts. This category may be available in the new MBA online store at Screws - Countersunk - Steel - Slotted.

Related Information:


Nuts Hex


Nuts - Hexagonal - Steel - Standard - Standard - Standard - Standard - Standar
Nuts - Hexagonal - Steel - Standard - Standard - Standard - Standard - Standar

Also see combined categories:
All Nuts

UNC - UNF - BA - METRIC. Plain and Zinc Plated.

Note! Thickness (H) and A/F (A) dimensions are usually considered not critical and may vary. If the A and H dimensions are critical for your application please consult us prior to ordering.


Pins Dowel


Pins - Dowel - Standard - Chamfered Ends - Carbon Steel
Pins - Dowel - Standard - Chamfered Ends - Carbon Steel

Also see combined categories:
All Dowel Pins

Precision Dowel Pins - Based on DIN6325, ISO2338

Note! Type 2 pins may be supplied in lieu of type 1 pins. Also known as parallel pins. This category may be available in the new MBA online store at Pins - Dowel - Standard - Chamfered Ends - Carbon Steel.

Related Information:


Pins - Dowel - Standard - Rounded Ends - Unhardened Steel
Pins - Dowel - Standard - Rounded Ends - Unhardened Steel

Also see combined categories:
All Dowel Pins

Precision Dowel Pins - Based on DIN7

Diameter tolerances are m6. Also known as parallel pins. This category may be available in the new MBA online store at Pins - Dowel - Standard - Rounded Ends - Unhardened Steel.

Related Information:


Pins - Dowel - Standard - Chamfered Ends - 316 Stainless
Pins - Dowel - Standard - Chamfered Ends - 316 Stainless

Also see combined categories:
All Dowel Pins

Precision Dowel Pins - 316 Grade - Based on DIN6325, ISO2338, ISO 8734

Note! Type 2 pins may be supplied in lieu of type 1 pins. Also known as parallel pins. This category may be available in the new MBA online store at Pins - Dowel - Standard - Chamfered Ends - 316 Stainless.

Related Information:


Pins - Dowel - Standard - Chamfered Ends - 416 Stainless
Pins - Dowel - Standard - Chamfered Ends - 416 Stainless

Also see combined categories:
All Dowel Pins

Precision Dowel Pins - 416 Grade - Based on DIN6325 or ISO2338

Also known as parallel pins. This category may be available in the new MBA online store at Pins - Dowel - Standard - Chamfered Ends - 416 Stainless.

Related Information:


Pins - Dowel - Standard - Rounded Ends - 316 Stainless
Pins - Dowel - Standard - Rounded Ends - 316 Stainless

Also see combined categories:
All Dowel Pins

Precision Dowel Pins - 316 Grade - Based on DIN7

Diameter tolerances are m6. Also known as parallel pins. This category may be available in the new MBA online store at Pins - Dowel - Standard - Rounded Ends - 316 Stainless.

Related Information:


Screws Cheese Head


Screws - Fillister Head - Brass - Philips
Screws - Fillister Head - Brass - Philips

Also see combined categories:
All Machine Screws
All Brass Machine Screws

Brass metal thread machine screws BA and METRIC

Nuts sold seperately - See Nuts. This category may be available in the new MBA online store at Screws - Fillister Head - Brass - Philips.

Related Information:


Screws - Fillister Head - Brass - Slotted
Screws - Fillister Head - Brass - Slotted

Also see combined categories:
All Machine Screws
All Brass Machine Screws

Brass metal thread machine screws BA and METRIC

Nuts sold seperately - See Nuts. This category may be available in the new MBA online store at Screws - Fillister Head - Brass - Slotted.

Related Information:


Pins Dowel


Pins - Dowel - Standard - Chamfered Ends - 303-304 Stainless
Pins - Dowel - Standard - Chamfered Ends - 303-304 Stainless

Also see combined categories:
All Dowel Pins

Precision Dowel Pins - 303/304 Grade Stainless - Based on DIN6325, ISO2338, ISO 8734

Note! Type 2 pins may be supplied in lieu of type 1 pins. Also known as parallel pins. This category may be available in the new MBA online store at Pins - Dowel - Standard - Chamfered Ends - 303-304 Stainless.

Related Information:


Pins - Dowel - Standard - Rounded Ends - 303-304 Stainless
Pins - Dowel - Standard - Rounded Ends - 303-304 Stainless

Also see combined categories:
All Dowel Pins

Precision Dowel Pins - 303/304 Grade Stainless- Based on DIN7

Rounded end dowel pins are measured from the start of the edge rounding. This allows the pin to completely fill the hole after you grind off the rounded end. Diameter tolerances are m6. Also known as parallel pins. This category may be available in the new MBA online store at Pins - Dowel - Standard - Rounded Ends - 303-304 Stainless.

Related Information:


Screws Grub


Socket Set Screws - Cup Point - Standard - 304 Stainless Steel - DIN916
Socket Set Screws - Cup Point - Standard - 304 Stainless Steel - DIN916

Also see combined categories:
All Cup Point Standard Grub Screws
All Grub Screws

Standard grub screws. UNC - UNF - BA - METRIC.


Related Information:


Socket Set Screws - Cup Point - Standard - 316 Stainless Steel - DIN916
Socket Set Screws - Cup Point - Standard - 316 Stainless Steel - DIN916

Also see combined categories:
All Cup Point Standard Grub Screws
All Grub Screws

Standard grub screws. UNC - UNF - BA - METRIC.


Related Information:


Socket Set Screws - Cup Point - Standard - Alloy Steel - DIN916
Socket Set Screws - Cup Point - Standard - Alloy Steel - DIN916

Also see combined categories:
All Cup Point Standard Grub Screws
All Grub Screws

Standard grub screws. UNC - UNF - BA - METRIC.

This category may be available in the new MBA online store at Socket Set Screws - Cup Point - Standard - Alloy Steel - DIN916.

Related Information:


Socket Set Screws - Cup Point - Standard - Zinc Plated - DIN916
Socket Set Screws - Cup Point - Standard - Zinc Plated - DIN916

Also see combined categories:
All Cup Point Standard Grub Screws
All Grub Screws

Standard grub screws. UNC - UNF - BA - METRIC.

This category may be available in the new MBA online store at Socket Set Screws - Cup Point - Standard - Zinc Plated - DIN916.

Related Information:


You may also be interested in

Ball Screws Nook Series


Ballscrew Flanges - Nook Series
Ballscrew Flanges - Nook Series


Match all components within the Nook Series range only. Match nuts, flanges and screws based on ball circle diameter.

Carburised steel with ball tracks heated to RC 58-60. Protective black oxide finish. This category may be available in the new MBA online store at Ballscrew Flanges - Nook Series.


Ballscrews - Nook Series - Right Hand
Ballscrews - Nook Series - Right Hand


Match all components within the Nook Series range only. Match nuts, flanges and screws based on ball circle diameter.

High quality alloy steel, induction hardened to RC 56-60. Protective black oxide finish. Lead accurate by at least 0.00083mm per mm. This category may be available in the new MBA online store at Ballscrews - Nook Series - Right Hand.


Tools Threading


Tools - Die Nuts
Tools - Die Nuts

Also see combined categories:
All Dies
All Tools

Tungsten Chrome Alloy - Carbon Steel die nuts starting from M1 and 0-80 UNF. Many unusual sizes - M1.2, M1.4, M1.6, M1.7, BA Sizes, 2-56 and more. Sutton - PN - Bordo.

This category may be available in the new MBA online store at Tools - Die Nuts.


Ball Screws Nook Series


Ballscrew Nuts - Nook Series - Right Hand Thread - Double Circuit
Ballscrew Nuts - Nook Series - Right Hand Thread - Double Circuit


Match all components within the Nook Series range only. Match nuts, flanges and screws based on ball circle diameter.

Carburised steel with ball tracks heated to RC 58-60. Protective black oxide finish.


Ballscrew Nuts - Nook Series - Right Hand Thread - Single Circuit
Ballscrew Nuts - Nook Series - Right Hand Thread - Single Circuit


Match all components within the Nook Series range only. Match nuts, flanges and screws based on ball circle diameter.

Carburised steel with ball tracks heated to RC 58-60. Protective black oxide finish.


Tools Threading


Tools - Taps - Carbon Steel - Hand - Standard
Tools - Taps - Carbon Steel - Hand - Standard

Also see combined categories:
All Taps
All Tools

Carbon Steel Straight Flute Taps. Starting from M1 and 0-90 UNF. Many unusual sizes - M1.2, M1.4, M1.6, M1.7, BA Sizes, 2-56 and more. Sutton - PN - Bordo.

Carbon steel hand taps. Carbon Steel (CS) Hand taps. This category may be available in the new MBA online store at Tools - Taps - Carbon Steel - Hand - Standard.


Tools - Dies - Carbon Steel
Tools - Dies - Carbon Steel

Also see combined categories:
All Dies
All Tools

Tungsten Chrome Alloy - Carbon Steel Button dies and die nuts starting from M1 and 0-80 UNF. Many unusual sizes - M1.2, M1.4, M1.6, M1.7, BA Sizes, 2-56 and more. Sutton - PN - Bordo.

This category may be available in the new MBA online store at Tools - Dies - Carbon Steel.


Tools - Taps - High Speed Steel - Hand - Standard
Tools - Taps - High Speed Steel - Hand - Standard

Also see combined categories:
All Taps
All Tools

High Speed Steel Short Machine Flute Taps. starting from M1 and 0-90 UNF. Many unusual sizes - M1.2, M1.4, M1.6, M1.7, BA Sizes, 2-56 and more. Sutton - PN - Bordo.

High Speed Steel (HSS) Short Machine taps. This category may be available in the new MBA online store at Tools - Taps - High Speed Steel - Hand - Standard.


Tools General


Tools - Wrenches
Tools - Wrenches

Also see combined categories:
All Tools

Lengths shown are based on standard stock but may vary. This category may be available in the new MBA online store at Tools - Wrenches.


Tools - Pin Vises
Tools - Pin Vises

Also see combined categories:
All Tools

Lengths shown are based on standard stock but may vary. This category may be available in the new MBA online store at Tools - Pin Vises.


Tools - Punches - Standard
Tools - Punches - Standard

Also see combined categories:
All Tools

Number punch and letter punch sets

Lengths shown are based on standard stock but may vary. This category may be available in the new MBA online store at Tools - Punches - Standard.


Tools - Nut Drivers
Tools - Nut Drivers

Also see combined categories:
All Tools

Includes socket wrench for 0-80 size screws

Lengths shown are based on standard stock but may vary. This category may be available in the new MBA online store at Tools - Nut Drivers.


Bearings Thrust


Bearings - Roller Thrust - Cage and Rollers Only
Bearings - Roller Thrust - Cage and Rollers Only

Also see combined categories:
All Roller Thrust Cages and Washers

Washers sold separately. Match cage and roller assembly with washers from the washers category.

Raceway hardness 58 HRC. Limiting Speeds are based on adequate oil lubrication. Load ratings are a guide taking into consideration ideal operating conditions. Dimensions given are nominal. Select the correct washer OD. Some washers listed here are to suit thrust ball bearings.

Related Information:


Bearings - Roller Thrust - Washers Only
Bearings - Roller Thrust - Washers Only

Also see combined categories:
All Roller Thrust Cages and Washers

Caged Rollers sold separately. Match these washers with cage and roller assembly from the cage and roller assembly category.

Raceway hardness 58 HRC. Limiting Speeds are based on adequate oil lubrication. Load ratings are a guide taking into consideration ideal operating conditions. Dimensions given are nominal. Select the correct washer OD. Some washers listed here are to suit thrust ball bearings.

Related Information:


O-Rings


O-Rings - Nitrile Rubber
O-Rings - Nitrile Rubber

Also see combined categories:
All O-Rings

General purpose. Includes o-rings for dental handpiece applications.

Temperature Range: -30oC to +90oC. Nitrile: Excellent resistance to mineral oil based fluids, hydrocarbon fuels, greases and water. Not suitable for aromatic hydrocarbons, chlorinated hydrocarbons, brake fluid and some fire resistant hydraulic fluids. This category may be available in the new MBA online store at O-Rings - Nitrile Rubber.

Related Information:


Tools Cutting


Tools - Drill Bits - Standard - Standard
Tools - Drill Bits - Standard - Standard

Also see combined categories:
All Tools

Extensive range of drill bits, from larger standard sizes down to as small as 0.32mm micro miniature sizes. Sutton - PN - Bordo.

Lengths shown are based on standard stock but may vary. This category may be available in the new MBA online store at Tools - Drill Bits - Standard - Standard.


O-Rings


O-Rings - Quad
O-Rings - Quad

Also see combined categories:
All O-Rings

Quadrings or quattrorings reduce the amount of squeeze needed for positive seal, reducing friction and extending seal life.

Temperature Range: -30oC to +90oC. Nitrile: Excellent resistance to mineral oil based fluids, hydrocarbon fuels, greases and water. Not suitable for aromatic hydrocarbons, chlorinated hydrocarbons, brake fluid and some fire resistant hydraulic fluids. Also known as quad rings. This category may be available in the new MBA online store at O-Rings - Quad.

Related Information:


O-Ring Cord
O-Ring Cord


Nitrile, Fluoroelastomer and EPDM continuous length o-ring cord.

Nitrile: Temp Range: -30oC to +90oC / Fluoroelastomer: Temp Range -20oC to +240oC. Nitrile: Excellent resistance to mineral oil based fluids, hydrocarbon fuels, greases and water. Nitrile: Not suitable for aromatic hydrocarbons, chlorinated hydrocarbons, brake fluid and some fire resistant hydraulic fluids. Fluoroelastomer (Viton(R)): Suitable for synthetic and hydraulic fluids, strong acids, steam, many chemicals and many alkalis. This category may be available in the new MBA online store at O-Ring Cord.

Related Information:


Banner Banner Parts
Banner Banner 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.


Baitrunner 4500 - 6500A Shimano Parts
Baitrunner 4500 - 6500A Shimano 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.


Baitrunner Aero GT 6010 Shimano Parts
Baitrunner Aero GT 6010 Shimano 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.


Bantam 10X Shimano Parts
Bantam 10X Shimano 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.


Bass One Shimano Parts
Bass One Shimano 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.





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Freight Rates
Terms and Conditions
Privacy Policy

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

Small Parts & Bearings offers 153564 products in 2094 categories including couplings, screws, hex nuts, ball bearings, roller bearings, thrust bearings, ceramic and hybrid bearings, stainless steel bearings, miniature bearings, shafting, corrosion resistant bearings - 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.

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 153564 products in 2094 categories including couplings, screws, hex nuts, ball bearings, roller bearings, thrust bearings, ceramic and hybrid bearings, stainless steel bearings, miniature bearings, shafting, corrosion resistant bearings - 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.

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