Small Parts & Bearings - an MBA company

Springs Die Imperial Medium Heavy Duty Categories


Springs Die


Springs - Die - Imperial - Medium Heavy Duty - Chrome Silicon
Springs - Die - Imperial - Medium Heavy Duty - Chrome Silicon

Also see combined categories:
All Imperial Die Springs
All All Die Springs

Chrome silicon die springs are longer lasting than high carbon steel. Shot peened to reduce working stress and to improve the surface.

Colour coded red. Efficient operating range is 20 to 25 percent of the length. Maximum deflection is 37 percent of the length.

Related Information:


Springs - Die - Imperial - Medium Duty
Springs - Die - Imperial - Medium Duty

Also see combined categories:
All Imperial Die Springs
All All Die Springs

Vapor degassed high tensile strength chromium alloy steel. Spring ends are ground square. Designed for long life cycle with constant high end deflections and shot peened to increase fatigue life.

Colour coded blue. Efficient operating range is 25 to 40 percent of the length. Maximum deflection is 50 percent of the length.

Related Information:


Springs - Die - Imperial - Medium Duty - Chrome Silicon
Springs - Die - Imperial - Medium Duty - Chrome Silicon

Also see combined categories:
All Imperial Die Springs
All All Die Springs

Chrome silicon die springs are longer lasting than high carbon steel. Shot peened to reduce working stress and to improve the surface.

Colour coded blue. Efficient operating range is 25 to 35 percent of the length. Maximum deflection is 50 percent of the length.

Related Information:


Springs - Die - Imperial - Heavy Duty
Springs - Die - Imperial - Heavy Duty

Also see combined categories:
All Imperial Die Springs
All All Die Springs

Vapor degassed high tensile strength chromium alloy steel. Spring ends are ground square. Designed for long life cycle with constant high end deflections and shot peened to increase fatigue life.

Colour coded gold. Efficient operating range is 15 to 25 percent of the length. Maximum deflection is 30 percent of the length.

Related Information:


Springs - Die - Imperial - Heavy Duty - Chrome Silicon
Springs - Die - Imperial - Heavy Duty - Chrome Silicon

Also see combined categories:
All Imperial Die Springs
All All Die Springs

Chrome silicon die springs are longer lasting than high carbon steel. Shot peened to reduce working stress and to improve the surface.

Colour coded gold. Efficient operating range is 15 to 20 percent of the length. Maximum deflection is 30 percent of the length.

Related Information:


Springs - Die - Imperial - Extra Heavy Duty
Springs - Die - Imperial - Extra Heavy Duty

Also see combined categories:
All Imperial Die Springs
All All Die Springs

Vapor degassed high tensile strength chromium alloy steel. Spring ends are ground square. Designed for long life cycle with constant high end deflections and shot peened to increase fatigue life.

Colour coded green. Efficient operating range is 15 to 20 percent of the length. Maximum deflection is 25 percent of the length.

Related Information:


Springs - Die - Imperial - Medium-Heavy Duty
Springs - Die - Imperial - Medium-Heavy Duty

Also see combined categories:
All Imperial Die Springs
All All Die Springs

Vapor degassed high tensile strength chromium alloy steel. Spring ends are ground square. Designed for long life cycle with constant high end deflections and shot peened to increase fatigue life.

Colour coded red. Efficient operating range is 20 to 30 percent of the length. Maximum deflection is 37 percent of the length.

Related Information:


Springs - Die - Metric - Medium Duty
Springs - Die - Metric - Medium Duty

Also see combined categories:
All Metric Die Springs
All All Die Springs

Colour coded blue

High tensile strength chromium alloy steels. Heat Resistance: Up to +230oC (Loss of load occurs above +120oC). Spring Ends: Squared and ground. For compressed length, Subtract Deflection from Free Length.

Related Information:


Springs - Die - Metric - Heavy Duty
Springs - Die - Metric - Heavy Duty

Also see combined categories:
All Metric Die Springs
All All Die Springs

Colour coded red

High tensile strength chromium alloy steels. Heat Resistance: Up to +230oC (Loss of load occurs above +120oC). Spring Ends: Squared and ground. For compressed length, Subtract Deflection from Free Length.

Related Information:


Springs - Die - Metric - Extra Heavy Duty
Springs - Die - Metric - Extra Heavy Duty

Also see combined categories:
All Metric Die Springs
All All Die Springs

Colour coded yellow

High tensile strength chromium alloy steels. Heat Resistance: Up to +230oC (Loss of load occurs above +120oC). Spring Ends: Squared and ground. For compressed length, Subtract Deflection from Free Length.

Related Information:


Spiral Rings - External - Medium-Heavy Duty
Spiral Rings - External - Medium-Heavy Duty

Also see combined categories:
All External Spiral Rings

AME / WST / RST - Spring Steel and Stainless Steel.

Originally designed to fit NAS50-51 grooves, this series is a popular OEM specification. This two/three turn design is easier to install than the heavy duty RRN option. Equivalent to Associated Spring: AME, Smalley: WST, Spirolox and Ramsey: RST.


Spiral Rings - External - Medium Duty
Spiral Rings - External - Medium Duty

Also see combined categories:
All External Spiral Rings

AE / WS / AS3218 / RS / MIL-R-27426A1 - Spring Steel and Stainless Steel.

Popular series that will accommodate light and medium bearing series thrust loads. Available in military and aerospace specifications. Equivalent to Associated Spring: AE, Smalley: WS, Spirolox and Ramsey: RS, Aerospace AS3218, MIL-R-27426A1.


Spiral Rings - Internal - Medium Duty
Spiral Rings - Internal - Medium Duty

Also see combined categories:
All Internal Spiral Rings

Includes AI / WH / AS3217 / RR / MIL-R-27426B1 - Spring Steel and Stainless Steel.

Popular series that will accommodate light and medium bearing series thrust loads. Available in military and aerospace specifications. Equivalent to Associated Spring: AI, Smalley: WH, Spirolox and Ramsey: RR, Aerospace AS3217, MIL-R-27426B1.


Spiral Rings - Internal - Medium-Heavy Duty
Spiral Rings - Internal - Medium-Heavy Duty

Also see combined categories:
All Internal Spiral Rings

Includes Series AMI / WHT / Spirolox RRT - Spring Steel and Stainless Steel.

Originally designed to fit NAS50-51 grooves, this series is a popular OEM specification. This two/three turn design is easier to install than the heavy duty RRN option. Equivalent to Associated Spring: AMI, Smalley: WHT, Spirolox and Ramsey: RRT.


Circlips - Internal - Standard - Carbon Steel
Circlips - Internal - Standard - Carbon Steel

Also see combined categories:
All Internal Circlips

Imperial and metric DIN471 and 472 / N1300 / Seeger J and JS. Retaining rings. Snap Rings (USA).

Plain carbon steel. Tolerances on request. Standard and heavy duty options.

Related Information:


Circlips - Internal - Standard - Zinc Plated
Circlips - Internal - Standard - Zinc Plated

Also see combined categories:
All Internal Circlips

Imperial and metric DIN471 and 472 / N1300 / Seeger J and JS. Retaining rings. Snap Rings (USA).

Zinc plated carbon steel. Tolerances on request. Standard and heavy duty options.

Related Information:


Castors - Plate - Pneumatic - Medium Heavy Duty
Castors - Plate - Pneumatic - Medium Heavy Duty

Also see combined categories:
All Plate Type Castors



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

Also see combined categories:
All Internal Circlips

Imperial and metric DIN471 and 472 / N1300 / Seeger J and JS. 420 Stainless Steel. Retaining rings. Snap Rings (USA).

420 Stainless Steel. Tolerances on request. Standard and heavy duty options.

Related Information:


Spiral Rings - External - Heavy Duty
Spiral Rings - External - Heavy Duty

Also see combined categories:
All External Spiral Rings

AHE / WSM / AS3216 / RSN / MIL-R-27426A2 - Spring Steel and Stainless Steel.

Heavy duty design for use with NAS669-670 deep grooves in applications like double row and tapered roller bearings. Requires no tools for removal. Equivalent to Associated Spring: AHE, Smalley: WSM, Spirolox and Ramsey: RSN, Aerospace: AS3216, MIL-R-27426A2.


Spiral Rings - Internal - Heavy Duty
Spiral Rings - Internal - Heavy Duty

Also see combined categories:
All Internal Spiral Rings

Includes AHI / WHM / AS3215 / Spirolox RRN / MIL-R-27426B2 - Spring Steel and Stainless Steel.

Heavy duty design for use with NAS669-670 deep grooves in applications like double row and tapered roller bearings. Requires no tools for removal. Equivalent to Associated Spring: AHI, Smalley: WHM, Spirolox and Ramsey: RRN, Aerospace AS3215, MIL-R-27426B2.


Washers - Lock - Tabbed - Heavy Duty
Washers - Lock - Tabbed - Heavy Duty

Also see combined categories:
All Tabbed Lock Washers
All Lock Washers

Heavy duty WH / TW Series for bearing locknuts.

Carbon spring steel. Use with NH series locknuts.


E-Clips - Basic - Carbon Steel
E-Clips - Basic - Carbon Steel

Also see combined categories:
All E-Clips

Basic imperial and metric e-clips DIN6799 and N1500. Carbon spring steel including zinc plated and plain.

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

Related Information:


Springs - Die - Metric - Light Duty
Springs - Die - Metric - Light Duty

Also see combined categories:
All Metric Die Springs
All All Die Springs

Colour coded green

High tensile strength chromium alloy steels. Heat Resistance: Up to +230oC (Loss of load occurs above +120oC). Spring Ends: Squared and ground. For compressed length, Subtract Deflection from Free Length.

Related Information:


Wire - Steel - Spring - Music Wire - Short Lengths
Wire - Steel - Spring - Music Wire - Short Lengths

Also see combined categories:
All Spring Wire

SAE 1090 Spring Steel. Includes inch and metric sizes.

Shipped in straight lengths on wooden backing board. Metric and imperial.

Related Information:


Ball Slides - Crossed Roller Positioning Stages
Ball Slides - Crossed Roller Positioning Stages


Used for Gauging and Positioning Light to Medium Loads.

Spring loaded micrometer drives allow precise repeatable adjustments with low friction and zero backlash. Positioning Slides can be stacked for Multi axis applications. Preloaded positioning slides fully assemebled. Black Anodized Finish.


Springs - Urethane
Springs - Urethane

Also see combined categories:
All Rubber Springs

Urethane springs are designed for use in applications where corrosion, vibration or magnetism prevent the use of conventional steel springs.

They replace steel coil springs in medium pressure applications involving space limitations, high blank holding pressure and adequate stripping. Durometer 95 shore A. Colour black. Tensile strength 5000 psi. Temperature range minus 40 to 80 oC.

Related Information:


Bushings - Tension
Bushings - Tension


Like a heavy duty roll pin.

Made of a high carbon spring steel with high elasticity, resilience and wear characteristics. Designed to replace solid steel tubular and case hardened bushings because they are close tolerance, self-retaining and through hard. Insertion can be easily accomplished with a hammer and drift. Ideal for high load/low-speed operation in articulating or continuous applications.


Bumpers - Elastomer - Medium Energy Absorption - Low Reaction Force
Bumpers - Elastomer - Medium Energy Absorption - Low Reaction Force

Also see combined categories:
All Elastomer Bumpers

Elastomer bumpers provide excellent resistance to chemicals and humidity. 20 times greater durability than urethane.

10 greater durability than rubber and 500 times greater than steel coiled springs. Maintains excellent resilience at extreme temperatures and remains flexible with no material degradation between -62 oC and +148 Deg C (-80 Deg F and +300 Deg F). Mounting screws not included.


Slides - Drawer - Medium Duty - Easy Disconnect
Slides - Drawer - Medium Duty - Easy Disconnect

Also see combined categories:
All Drawer Slides

Used for shallow drawers, tool chests and medical carts.

Rail mounting. Hold in detent. Full extension. 13.5mm Side space. Includes 32mm hole pattern as well as traditional hole pattern.


Slides - Drawer - Medium Duty - Full Ext
Slides - Drawer - Medium Duty - Full Ext

Also see combined categories:
All Drawer Slides

Used for shallow drawers, tool chests and medical carts.

Hold in detent. 12.7mm Side Space.


Slides - Drawer - Medium Duty - Lever Disconnect
Slides - Drawer - Medium Duty - Lever Disconnect

Also see combined categories:
All Drawer Slides

Used for shallow drawers, tool chests and medical carts.

Hold in detent. Full extension. 12.7mm Side Space. Includes 32mm hole pattern as well as traditional hole pattern.


Slides - Drawer - Medium Duty - Non-Disconnect
Slides - Drawer - Medium Duty - Non-Disconnect

Also see combined categories:
All Drawer Slides

Used for shallow drawers, tool chests and medical carts.

22.4mm over travel. 19.1mm Side Space.


Slides - Drawer - Medium Duty - Non Disconnect - Compact
Slides - Drawer - Medium Duty - Non Disconnect - Compact

Also see combined categories:
All Drawer Slides

Used for shallow drawers, tool chests and medical carts.

19.1mm Extension. 9.7mm Side Space.


Slides - Drawer - Medium Duty - Undercarriage Mount
Slides - Drawer - Medium Duty - Undercarriage Mount

Also see combined categories:
All Drawer Slides

Used for shallow drawers, tool chests and medical carts.

Hold in detent. 21mm over travel.


Mounts - Machinery - Industrial - Medium Duty
Mounts - Machinery - Industrial - Medium Duty

Also see combined categories:
All Industrial Machine Mounts

High strength machined components. Rapid installation and leveling. 80% vibration reduction. Vertical and horizontal isolation.

For milling mchines, presses, injection molding, packaging machines. Industrial machine mount designed with high strength construction for reduction of both shock and vibration. Prevents vibration from affecting other machines and protects mounted equipment from external vibration effects. Provides precision leveling with large support plate and meets OSHA standards by preventing machinery walking.


Castors - Plate - Low Profile - Medium Duty
Castors - Plate - Low Profile - Medium Duty

Also see combined categories:
All Plate Type Castors



Castors - Stud - Low Profile - Medium Duty
Castors - Stud - Low Profile - Medium Duty

Also see combined categories:
All Stud Type Castors



Slides - Drawer - Quick Disconnect - Medium Duty - Full Ext
Slides - Drawer - Quick Disconnect - Medium Duty - Full Ext

Also see combined categories:
All Drawer Slides

Made from 304 stainless with bearing balls. Used where corrosion resistance is required such as laboratories, humid and damp environments, marine applications and clean rooms. Bright finish, tight tolerance, quiet operation and smooth glide.

Side mounted three member slide. Allows drawer to be pulled out further than the slide length allowing full access to the drawer. Positive stop slide with a quick disconnect.


Castors - Plate - Twin Wheel - Light Medium Duty
Castors - Plate - Twin Wheel - Light Medium Duty

Also see combined categories:
All Plate Type Castors



Castors - Stud - Twin Wheel - Light Medium Duty
Castors - Stud - Twin Wheel - Light Medium Duty

Also see combined categories:
All Stud Type Castors



Slides - Drawer - Stainless - No Disconnect - Medium Duty - 19mm Ext
Slides - Drawer - Stainless - No Disconnect - Medium Duty - 19mm Ext

Also see combined categories:
All Drawer Slides

Made from 304 stainless with bearing balls. Used where corrosion resistance is required such as laboratories, humid and damp environments, marine applications and clean rooms. Bright finish, tight tolerance, quiet operation and smooth glide.

Side mounted two member slide. Positive stop slide that will not disconnect once installed. Requires 16 M4 or 8 Gauge Pan Head Screws (not included).


Slides - Drawer - Stainless - No Disconnect - Medium Duty - Full Ext
Slides - Drawer - Stainless - No Disconnect - Medium Duty - Full Ext

Also see combined categories:
All Drawer Slides

Made from 304 stainless with bearing balls. Used where corrosion resistance is required such as laboratories, humid and damp environments, marine applications and clean rooms. Bright finish, tight tolerance, quiet operation and smooth glide.

Side mounted three member slide. Allows drawer to be pulled out further than the slide length allowing full access to the drawer. Positive stop slide that will not disconnect once installed.


Spiral Rings - Internal - Light Duty
Spiral Rings - Internal - Light Duty

Also see combined categories:
All Internal Spiral Rings

Includes series CI / VH / UR - Spring Steel and Stainless Steel.

Light duty rings for use in low clearance applications. Also used as a positioning point for light loads. Radius notch on one end for removal. Narrow radial wall yields moderate thrust loads. Equivalent to Associated Spring: CI, Smalley: VH, Spirolox and Ramsey: UR.


Carousels - Heavy Duty
Carousels - Heavy Duty




Washers - Heavy Duty - Machined - Stainless Steel
Washers - Heavy Duty - Machined - Stainless Steel

Also see combined categories:
All Flat Washers and Spacers - Metallic

303 Stainless Steel


Related Information:


Washers - Heavy Duty - Machined - Steel
Washers - Heavy Duty - Machined - Steel

Also see combined categories:
All Flat Washers and Spacers - Metallic

Case hardened cold finished steel with black oxide finish.


Related Information:


Tensioner - Heavy Duty - Type 2
Tensioner - Heavy Duty - Type 2

Also see combined categories:
All Tensioner Arms

Use with idler shafts and idler pulleys. Has 152.4mm travel through the use of the adjusting slots. Head is drilled and tapped to accept 50.8mm diameter idler shaft (ordered separately).

Idler shaft and pulleys not included with tensioner. Shaft is mounted to the side at 90o and is anchored by set screws.

Related Information:


Tensioner - Heavy Duty - Type 3
Tensioner - Heavy Duty - Type 3

Also see combined categories:
All Tensioner Arms

Use with idler shafts and idler pulleys. Has 152.4mm travel through the use of the adjusting slots. Head is drilled and tapped to accept 50.8mm diameter idler shaft (ordered separately).

Idler shaft and pulleys not included with tensioner. Shaft is mounted straight out from face and anchored by set screws. Shaft is located in the centre of the tensioner between the adjusting slots.

Related Information:


Tensioner - Heavy Duty - Type 4
Tensioner - Heavy Duty - Type 4

Also see combined categories:
All Tensioner Arms

Use with idler shafts and idler pulleys. Has 152.4mm travel through the use of the adjusting slots. Head is drilled and tapped to accept 50.8mm diameter idler shaft (ordered separately).

Idler shaft and pulleys not included with tensioner. Shaft is mounted straight out from face and anchored by set screws. Adjusting slots are parallel to each other.

Related Information:


Most Common Heavy Duty Jockey Wheels Parts
Most Common Heavy Duty Jockey Wheels 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
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Privacy Policy

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

Small Parts & Bearings offers 124371 products in 2774 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 124371 products in 2774 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.