Small Parts & Bearings - an MBA company

B57 TORRINGTON


Cross Referenced Part Numbers



NSO-0079-0127-0111-FC Torrington part number B-57





Shaft Diameter (d): 7.938. OD (D): 12.700. Width (B): 11.112.

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


Category Matches

Gearheads Inline


Gearheads - Inline - Planetary - Size 17 - Precision
Gearheads - Inline - Planetary - Size  17 - Precision

Also see combined categories:
All Inline Planetary Gearheads

Use with NEMA Size 17 Motors.

Stainless Steel housing - Heat Treated Steel Gears - Sealed ball bearings - Aluminium mounting flange. Shaft loading 25.4kg (57 lbs) radial and 24.5kg (55 lbs) axial / Maximum input speed 6500 rpm. Min. Efficiency ---- Single Stage : 90%, Double Stage : 85%. Max Backlash ---- Single Stage : 6 arc min, Double Stage : 10 arc min. Operating Temperature : -54 to 121 oC (-65 to 250 Deg F).

Related Information:


You may also be interested in

Dental Handpiece Parts


Intra 24CN - 24LN - 553 5761 Kavo Parts
Intra 24CN - 24LN - 553 5761 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.


557 Push Button Lares Parts
557 Push Button Lares 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.


557SR Lares Parts
557SR Lares 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.


757 Lares Parts
757 Lares 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.


Fishing Reel Parts


LS570 Mitchell Parts
LS570 Mitchell 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.


Circlips - External - Standard - Stainless Steel
Circlips - External - Standard - Stainless Steel

Also see combined categories:
All External Circlips

Imperial and metric DIN471 / D1400 / N1400 / D1460. PH15-7 Mo Stainless Steel. Retaining rings. Snap Rings (USA).

PH15-7 Mo Stainless Steel.

Related Information:


Pins - Ball Lock - Button Handle - Stainless Steel
Pins - Ball Lock - Button Handle - Stainless Steel

Also see combined categories:
All Ball Lock Pins

17-4 PH or PH15-7MO stainless steel spindle and shank. Handles aluminium unless noted otherwise.

Positive lock detent pins. Aluminium handles. 300 Grade Stainless Components. 440C Stainless Balls.

Related Information:


Pins - Ball Lock - Ring Handle - Industrial - Stainless Steel
Pins - Ball Lock - Ring Handle - Industrial - Stainless Steel

Also see combined categories:
All Ball Lock Pins

17-4 PH or PH15-7MO stainless steel spindle and shank. Handles aluminium unless noted otherwise.

Positive lock detent pins. Aluminium handles. 300 Grade Stainless Components. 440C Stainless Balls. Ring dimensions may vary. Please contact us before purchasing if the ring dimensions are important to your application.

Related Information:


Pins - Ball Lock - Double Acting - Ring Handle - Stainless Steel
Pins - Ball Lock - Double Acting - Ring Handle - Stainless Steel

Also see combined categories:
All Ball Lock Pins

17-4 PH or PH15-7MO stainless steel spindle and shank. Self locking and positive locking. All components made from stainless steel.

Positive lock detent pins. 300 Grade Stainless Handles. 300 Grade Stainless Components. 440C Stainless Balls.

Related Information:


Pins - Ball Lock - Double Acting - T-Handle - Stainless Steel
Pins - Ball Lock - Double Acting - T-Handle - Stainless Steel

Also see combined categories:
All Ball Lock Pins

17-4 PH or PH15-7MO stainless steel spindle and shank. Self locking and positive locking. All components made from stainless steel.

Positive lock detent pins. 300 Grade Stainless Handles. 300 Grade Stainless Components. 440C Stainless Balls.

Related Information:


Pins - Ball Lock - T-Handle - Stainless Steel - Heavy Duty
Pins - Ball Lock - T-Handle - Stainless Steel - Heavy Duty

Also see combined categories:
All Ball Lock Pins

17-4 PH or PH15-7MO stainless steel spindle and shank. Ground handling pins used in the handling of aircraft and service equipment. Tee handle.

Positive lock detent pins. 300 Grade Stainless Components. 440C Stainless Balls.

Related Information:


Circlips - Internal - Standard - Stainless Steel
Circlips - Internal - Standard - Stainless Steel

Also see combined categories:
All Internal Circlips

Imperial and metric DIN471 and 472 / D1300 / N1300 / Seeger J and JS. PH15-7 Mo Stainless Steel. Retaining rings. Snap Rings (USA).

PH15-7 Mo Stainless Steel. Tolerances on request.

Related Information:


E-Clips - Basic - Stainless Steel
E-Clips - Basic - Stainless Steel

Also see combined categories:
All E-Clips

Basic imperial and metric e-clips DIN6799 and N1500. Stainless Steel PH15-7 Mo.

Not all e-clips are exactly the same style, however all follow the basic principal of a push on clip.

Related Information:


Push On Retaining Rings - Stainless Steel
Push On Retaining Rings - Stainless Steel

Also see combined categories:
All Push On Rings

Rotor Clip TY. Stainless Steel hardness HR15N 82.5-86

PH 15-7/17-7 Stainless Steel and 1.4310 Stainless Steel.


Pins - Ball Lock - L-Handle - Industrial - Stainless Steel
Pins - Ball Lock - L-Handle - Industrial - Stainless Steel

Also see combined categories:
All Ball Lock Pins

Quick release. 17-4 PH or 15-7 MO Stainless Steel pins. Handles are aluminium alloy.

Positive lock detent pins. Aluminium handles. 300 Grade Stainless Components. 440C Stainless Balls.

Related Information:





Main Pages

About Us Balls List Bearings List Brands Catalogue Contact Us Charity Dental Bearings Dowel Pins Downloadable PDF Catalogue Ball Lock Pins Downloadable PDF Catalogue Balls Downloadable PDF Catalogue Ceramic Bearings Downloadable PDF Catalogue Circlips Downloadable PDF Catalogue Clevis Pins Downloadable PDF Catalogue Corrosion Resistant Bearings Downloadable PDF Catalogue Disc Springs Downloadable PDF Catalogue Dowel Pins Downloadable PDF Catalogue Economy Bearings Downloadable PDF Catalogue Hammer Drive Pins Downloadable PDF Catalogue High Speed Bearings Downloadable PDF Catalogue Key Steel Downloadable PDF Catalogue Knobs Downloadable PDF Catalogue Leveling Mounts Downloadable PDF Catalogue Metallic Bushes Downloadable PDF Catalogue O-Rings Downloadable PDF Catalogue Pins Downloadable PDF Catalogue Plastic Bearings Downloadable PDF Catalogue Polyvee Belts and Pulleys Downloadable PDF Catalogue Precision Shim Washers Downloadable PDF Catalogue Push On and Push In Rings Downloadable PDF Catalogue Rod & Tube Downloadable PDF Catalogue Roll Pins Downloadable PDF Catalogue Shaft Collars Downloadable PDF Catalogue Shim Sheet Downloadable PDF Catalogue Shoulder Screws Downloadable PDF Catalogue Sintered Bronze Bushes Downloadable PDF Catalogue Snap Rings Downloadable PDF Catalogue Socket Set Screws Downloadable PDF Catalogue Solid Bronze Bushes Downloadable PDF Catalogue Spring Steel Strip Downloadable PDF Catalogue Springs Downloadable PDF Catalogue Standard Ball Bearing Range Downloadable PDF Catalogue Super Precision Bearings Downloadable PDF Catalogue Taper Pins Downloadable PDF Catalogue Thrust Bearings Downloadable PDF Catalogue Thumb Screws and Nuts Downloadable PDF Catalogue Timing Belts Downloadable PDF Catalogue Timing Pulley Stock Downloadable PDF Catalogue Timing Pulleys Downloadable PDF Catalogue Vibration Mounts Downloadable PDF Catalogue Washers Downloadable PDF Catalogue Wave Washers Downloadable PDF Cross Reference ADR and SKF Downloadable PDF Cross Reference Anderton Circlips Downloadable PDF Cross Reference Barden Bearings Downloadable PDF Cross Reference Essentra Downloadable PDF Cross Reference Flocast Downloadable PDF Cross Reference K&S Metals Downloadable PDF Cross Reference McMaster Carr Downloadable PDF Cross Reference Miniature Precison Bearings Downloadable PDF Cross Reference Nordex Downloadable PDF Cross Reference NSK and NTN Downloadable PDF Cross Reference Ondrives Downloadable PDF Cross Reference Reid Supply Downloadable PDF Cross Reference SDP-SI Designatronics Downloadable PDF Cross Reference Seeger Circlips Downloadable PDF Cross Reference Sintered Bronze Downloadable PDF Cross Reference Small Parts Inc Downloadable PDF Cross Reference Timing Belts and Pulleys Freight Rates and Shipping Times Frequently Asked Questions Google Search Hobby Clearance Hobby Information Large Bearings Mailorder Form Order History Ordering Payment and Shipping Privacy Product Showcase Shipping Rates and Times Technical Terms


Freight Rates
Terms and Conditions
Privacy Policy

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

Small Parts & Bearings offers 131167 products in 2163 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 131167 products in 2163 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.