Small Parts & Bearings - an MBA company

ER1238ZZ ISO


Cross Referenced Part Numbers



SR11212-ZZS-ECO ISO part number ER1238-ZZ





ID (d): 9.525. OD (D): 19.050. Width (B): 4.978.

Retail Price: 0.00 (Each )     
Lower price for quantities     
Stock: 2     


Category Matches

Pins Roll


Pins - Coiled - Plain - Heavy Duty
Pins - Coiled - Plain - Heavy Duty

Also see combined categories:
All Coiled Pins

ASME B18.8.3M / ISO 8748 Heavy Duty Spirol Pins. Coiled roll pin.

This category may be available in the new MBA online store at Pins - Coiled - Plain - Heavy Duty.

Related Information:


Pins - Coiled - Plain - Standard Duty
Pins - Coiled - Plain - Standard Duty

Also see combined categories:
All Coiled Pins

ASME B18.8.3M / ISO 8750 Standard Duty Spirol Pins. Coiled roll pin.

This category may be available in the new MBA online store at Pins - Coiled - Plain - Standard Duty.

Related Information:


Pins Dowel


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 - 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:


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Screws Countersunk


Screws - Countersunk - Socket - Steel - Zinc Plated
Screws - Countersunk - Socket - Steel - Zinc Plated

Also see combined categories:
All Countersunk Screws

Flat Head Countersunk UNC - UNF - METRIC

Imperial Sizes to ANSI B18.3. Metric Sizes to DIN7991. Rc38-42. ASTM F835 - alloy steel. ISO 10642. The thread length indicated is the minimum. Some batches may be produced with longer threaded sections or even full threaded shanks.

Related Information:


Screws - Countersunk - Socket - Steel - Standard
Screws - Countersunk - Socket - Steel - Standard

Also see combined categories:
All Countersunk Screws

Flat Head Countersunk UNC - UNF - METRIC - Alloy Steel

Imperial Sizes to ANSI B18.3. Metric Sizes to DIN7991. Rc38-42. ASTM F835 - alloy steel. ISO 10642. The thread length indicated is the minimum. Some batches may be produced with longer threaded sections or even full threaded shanks.

Related Information:


Screws - Countersunk - Socket - 304 Stainless
Screws - Countersunk - Socket - 304 Stainless

Also see combined categories:
All Countersunk Screws

Flat Head Countersunk UNC - UNF - METRIC - Stainless Steel

Imperial Sizes to ANSI B18.3. Metric Sizes to DIN7991. ISO 10642. The thread length indicated is the minimum. Some batches may be produced with longer threaded sections or even full threaded shanks. This category may be available in the new MBA online store at Screws - Countersunk - Socket - 304 Stainless.

Related Information:


Screws - Countersunk - Socket - 316 Stainless
Screws - Countersunk - Socket - 316 Stainless

Also see combined categories:
All Countersunk Screws

Flat Head Countersunk UNC - UNF - METRIC - Stainless Steel

Imperial Sizes to ANSI B18.3. Metric Sizes to DIN7991. ISO 10642. The thread length indicated is the minimum. Some batches may be produced with longer threaded sections or even full threaded shanks. This category may be available in the new MBA online store at Screws - Countersunk - Socket - 316 Stainless.

Related Information:


Rod Ends Stainless Steel


Rod Ends - Stainless Steel - Bronze Lined Male
Rod Ends - Stainless Steel - Bronze Lined Male

Also see combined categories:
All Male Rod Ends
All Stainless Steel Male Rod Ends

Also known as Heim Joints

Dimensions not shown are available on request. CFF.SS series are made to DIN 648K and ISO 6126JK. This category may be available in the new MBA online store at Rod Ends - Stainless Steel - Bronze Lined Male.


Screws Countersunk


Screws - Countersunk - Socket - Titanium Ti-Gr5 - Ti-6Al4v - DIN7991
Screws - Countersunk - Socket - Titanium Ti-Gr5 - Ti-6Al4v - DIN7991

Also see combined categories:
All Countersunk Screws

Flat Head Countersunk. Grade 5 6Al-4V is a high strength titanium alloy. Tensile Strength 91.5kgf / mm2. Yield Strength 84.5kgf / mm2. Elongation 10 Percent.

Metric Sizes to DIN7991. Used in critical aircraft structural components. UNS R56400. ISO 10642. Composition Percentage: Al 5.5-6.75, V 3.5-4.5, N 0.05, C 0.08, H 0.015, Fe 0.40, O 0.2, Ti Balance. Grade 5 6Al-4V is a high strength titanium alloy. Tensile Strength 91.5kgf / mm2. Yield Strength 84.5kgf / mm2. Elongation 10 Percent. The thread length indicated is the minimum. Some batches may be produced with longer threaded sections or even full threaded shanks.

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Micromotor Isolite 100 and 300 Bien Air Parts
Micromotor Isolite 100 and 300 Bien Air 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.


Mounts - Vibration Isolation - Cup Style 2
Mounts - Vibration Isolation - Cup Style 2

Also see combined categories:
All Cup Mounts

Industrial cupmounts provide excellent protection against severe impact shock, vibration and noise.

High vibration dampening. Fail safe, rugged interlocking metal and neoprene construction. Metal cupmount is cold rolled steel. Low profile compact design. Metal top plate is domed shape to guard against oil contamination. High grade neoprene elastomer provides resistance to ozone and oils. This category may be available in the new MBA online store at Mounts - Vibration Isolation - Cup Style 2.

Related Information:


Mounts - Vibration Isolation - Compression - Stainless Steel
Mounts - Vibration Isolation - Compression - Stainless Steel


Compression shear mounts for harsh environments.

Excellent protection against shock vibration and noise4 in compression and shear applications. Developed especially for applications in harsh environments in food and pharmaceutical industries. High dampening characteristics. Stainless top plate is domed to guard against oil contamination. Low profile. Compact design. Elastomer insert is made from highly chemical resistant nitrile with good deflection properties. Concentric rings in the base of the insert firmly anchor machine to the floor.

Related Information:


Mounts - Vibration Isolation Pads - Compression Shear
Mounts - Vibration Isolation Pads - Compression Shear

Also see combined categories:
All Isolation Pad Mounts

Durable, high quality mount combines effective compression and shear isolation from vibration and shock with the convenience of an internal leveling device.

Deep cavity design allows excellent vibration and shock control in both the vertical and horizontal directions. Heavy duty ductile iron cover and chemically resistant neoprene insert. Internal leveling device levels up to 12.7mm. Specially designed recess on top of cover hosues a rubber washer. Concentric rings on base of neoprene insert prevents walking or creeping. Ideal for lathes, milling machines, punch presses, printing machines, shears, brakes, injection moulding machines, grinders etc. Includes all necessary hardware. This category may be available in the new MBA online store at Mounts - Vibration Isolation Pads - Compression Shear.

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Mounts - Bonded - Tee Bushing - Centre Bolt
Mounts - Bonded - Tee Bushing - Centre Bolt


Vibration isolation for mobile and static applications involving plate clamping

Reduces structure borne noise and absorbs shock forces. Low profile height. This category may be available in the new MBA online store at Mounts - Bonded - Tee Bushing - Centre Bolt.

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Magnets - Cylinder - Anisotropic Ferrite
Magnets - Cylinder - Anisotropic Ferrite

Also see combined categories:
All Magnets
All Cup Magnets

This category may be available in the new MBA online store at Magnets - Cylinder - Anisotropic Ferrite.


Magnets - Ring - Anisotropic Ferrite
Magnets - Ring - Anisotropic Ferrite

Also see combined categories:
All Magnets
All Cup Magnets

This category may be available in the new MBA online store at Magnets - Ring - Anisotropic Ferrite.


Mounts - Neoprene Pads - Ribbed Pattern
Mounts - Neoprene Pads - Ribbed Pattern

Also see combined categories:
All Mounting Pads

Provides a versatile, inexpensive way to isolate shock, vibration and reduce noise levels.

Simply lift the machine and slide the pads under each foot. Provides firm footing to floor and equipment. Ribbed pads can be stacked with the ribs at 90o to each other or nested with the ribs in the grooves. Scored in 50.8mm squares for easy cutting. Oil resistant neoprene rubber.

Related Information:


Mounts - Neoprene Pads - Waffle Pattern
Mounts - Neoprene Pads - Waffle Pattern

Also see combined categories:
All Mounting Pads

Provides a versatile, inexpensive way to isolate shock, vibration and reduce noise levels.

Simply lift the machine and slide the pads under each foot. Provides firm footing to floor and equipment. Oil resistant neoprene rubber.

Related Information:


Feet - Mounting - Bonded Neoprene - No Stud
Feet - Mounting - Bonded Neoprene - No Stud

Also see combined categories:
All Mounting Feet

Mounting feet let you isolate all types of machinery and equipment from vibration and floor motion.

This category may be available in the new MBA online store at Feet - Mounting - Bonded Neoprene - No Stud.


Feet - Mounting - Bonded Neoprene - With Stud
Feet - Mounting - Bonded Neoprene - With Stud

Also see combined categories:
All Mounting Feet

Mounting feet let you isolate all types of machinery and equipment from vibration and floor motion.

This category may be available in the new MBA online store at Feet - Mounting - Bonded Neoprene - With Stud.


Pins - Roll - Carbon Steel
Pins - Roll - Carbon Steel

Also see combined categories:
All Roll Pins

Plain carbon spring steel DIN1481/ISO8752.

Also known as sel-lok and bissell pins. This category may be available in the new MBA online store at Pins - Roll - Carbon Steel.

Related Information:


Pins - Roll - Zinc Plated
Pins - Roll - Zinc Plated

Also see combined categories:
All Roll Pins

Zinc plated spring steel DIN1481/ISO8752.

Also known as sel-lok and bissell pins. This category may be available in the new MBA online store at Pins - Roll - Zinc Plated.

Related Information:


Mounts - Cupmounts - Industrial
Mounts - Cupmounts - Industrial

Also see combined categories:
All Cup Mounts

Protect against severe impact shock with efficient vibration isolation characteristics at frequencies above 40Hz.

Can be mounted in any orientation for protection of sensitive electronic, electrical and mechanical equipment from high impact shocks. This category may be available in the new MBA online store at Mounts - Cupmounts - Industrial.

Related Information:


Pins - Roll - Stainless Steel - 300 Grade
Pins - Roll - Stainless Steel - 300 Grade

Also see combined categories:
All Roll Pins

300 Grade Stainless DIN1481/ISO8752.

Also known as sel-lok and bissell pins. This category may be available in the new MBA online store at Pins - Roll - Stainless Steel - 300 Grade.

Related Information:


Pins - Roll - Stainless Steel - 420 Grade
Pins - Roll - Stainless Steel - 420 Grade

Also see combined categories:
All Roll Pins

420 grade stainless DIN1481/ISO8752.

Also known as sel-lok and bissell pins. This category may be available in the new MBA online store at Pins - Roll - Stainless Steel - 420 Grade.

Related Information:


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 - Chamfered Ends - Plastic
Pins - Dowel - Standard - Chamfered Ends - 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 Ends - Plastic.

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Mounts - Levelling Studded - Anti-Vibration
Mounts - Levelling Studded - Anti-Vibration

Also see combined categories:
All Male Stud Levelers

Levelling adjusters. Specifically designed to provide low frequency vibration isolation, leveling and shock attenuation for electronics and machinery.

15o swivel off centre to adjust to uneven surfaces. over 12mm of black neoprene permanently bonded to the base. Neoprene operating temperature -20 to 80 oC. Steel parts are zinc plated with black chromate finish. This category may be available in the new MBA online store at Mounts - Levelling Studded - Anti-Vibration.


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:


Mounts - Machinery - Industrial - Heavy Duty
Mounts - Machinery - Industrial - Heavy 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. This category may be available in the new MBA online store at Mounts - Machinery - Industrial - Heavy Duty.

Related Information:


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. This category may be available in the new MBA online store at Mounts - Machinery - Industrial - Medium Duty.

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Balls - Metallic - Tungsten Carbide
Balls - Metallic - Tungsten Carbide

Also see combined categories:
All Metallic Balls

Extreme hardness and wear resistance.

Tolerances available on request. Grades shown are AFBMA / ISO3290-1. Precision Grade: Grade 25. Hardness: Rockwell A: 91.5 (Approx 77 Rockwell C). Extreme hardness and wear resistance. Specific Gravity: 14.95.

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Balls - Ceramic - Silicon Nitride
Balls - Ceramic - Silicon Nitride

Also see combined categories:
All Ceramic Balls
All Non Metallic Balls

Outstanding wear resistance. Good thermal and chemical resistance.

High hardness. Grades shown are AFBMA / ISO3290-1. High strength over a wide temperature range. High fracture toughness. Outstanding wear resistance. Good thermal and chemical resistance.

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Balls - Ceramic - Ruby - Synthetic
Balls - Ceramic - Ruby - Synthetic

Also see combined categories:
All Ceramic Balls
All Non Metallic Balls

Extreme hardness, wear resistance, non-corrosiveness and chemical inertness.

Tolerances available on request. Grades shown are AFBMA / ISO3290-1. Grade 25. Extreme hardness, wear resistance, non-corrosiveness and chemical inertness. High mechanical strength. Specific Gravity: 3.98.

Related Information:


Circlips - Grooveless
Circlips - Grooveless

Also see combined categories:
All External Circlips

Includes MIL-R-21248/MS 90707 - Styles M1440 / Ellison GR / Seeger G and GA. Retaining rings. Snap Rings (USA).

Reusable tapered section rings for grooveless shafts like plastics, tubes or castings. Can be used where adjustable ring placement is desired - like progressively tightening a compression spring. This category may be available in the new MBA online store at Circlips - Grooveless.

Related Information:


Balls - Ceramic - Sapphire - Synthetic
Balls - Ceramic - Sapphire - Synthetic

Also see combined categories:
All Ceramic Balls
All Non Metallic Balls

Extreme hardness, wear resistance, non-corrosiveness and chemical inertness.

Tolerances available on request. Grades shown are AFBMA / ISO3290-1. Specific Gravity: 3.98. Grade 25. Extreme hardness, wear resistance, non-corrosiveness and chemical inertness. High mechanical strength. Transparent (refractive index 1.76).

Related Information:


Couplings - Neo - Flex
Couplings - Neo - Flex


0.71 to 1.27 Nm.

303 stainless steel with 73 durometer neoprene centre. Shaft to shaft insulation. Torsional vibration isolation. Ribbed style are more flexible than smooth style. Bore Tolerances: +0.025 / -0.000.

Related Information:


Mounts - Rectangular - 4 Bolt
Mounts - Rectangular - 4 Bolt

Also see combined categories:
All Rectangular Mounts

Rectangular elastomer component bonded with two steel plates.

Low installation height provides good stability. Effectively isolates against horizontal and vertical vibrations. High deflection capacity in horiziontal direction whilst deflection is low in vertical. Oil and grease resistant. Meets OSHA anchoring standards. Ideal use in presses, blowers, pumps, vibrators, rolling mills, crushers etc.

Related Information:


Bushes - Plastic Unflanged - Ertalyte TX
Bushes - Plastic Unflanged - Ertalyte TX

Also see combined categories:
All Plastic Bushes
All Unflanged Plastic Bushes

Self lubricated, high mechanical strength, stiffness and hardness.

This category may be available in the new MBA online store at Bushes - Plastic Unflanged - Ertalyte TX.

Related Information:


Miera TKD Parts
Miera TKD 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.


Several Dental Washers Parts
Several Dental Washers 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 153543 products in 2089 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 153543 products in 2089 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.