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R4-2RS-MC3NR (Pack of 5) --- Single Row Ball Bearings - 6.35x15.875x4.978 mm with Snap Ring - Chrome Steel SAE 52100 Bearing
Regular price $8.00 AUDRegular priceUnit price / per$15.20 AUDSale price $8.00 AUDPriced, Stocked and Sold Per pack of 5Excludes GST and overseas Taxes & Duties14 Available NowSale -
S316-R4-2PE (Each) --- Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel 316 Similar to A4, 18-10 Bearing
Regular price $6.79 AUDRegular priceUnit price / per$8.15 AUDSale price $6.79 AUDEachExcludes GST and overseas Taxes & Duties32 Available NowSale -
S316-R4-TF-TTS (Each) --- Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel 316 Similar to A4, 18-10 Bearing
Regular price $7.69 AUDRegular priceUnit price / per$13.12 AUDSale price $7.69 AUDEachExcludes GST and overseas Taxes & Duties34 Available NowSale -
SR4-2RS-MC3 (Each) --- Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel AISI 440C Bearing
Regular price $4.14 AUDRegular priceUnit price / perSale price $4.14 AUDEachExcludes GST and overseas Taxes & Duties11 Available Now -
R4-2RS-MC3 (Each) --- Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing
Regular price $3.68 AUDRegular priceUnit price / perSale price $3.68 AUDEachExcludes GST and overseas Taxes & Duties118 Available Now -
R4-ZZ-MC3 (Each) --- Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing
Regular price $3.86 AUDRegular priceUnit price / perSale price $3.86 AUDEachExcludes GST and overseas Taxes & Duties156 Available Now -
R4-2RS-MC3-NSK (Each) --- Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing
Regular price $6.59 AUDRegular priceUnit price / perSale price $6.59 AUDEachExcludes GST and overseas Taxes & Duties140 Available Now -

RP040-0300-420 (Pack of 10) --- Roll Pins - 4x30x4.4 mm - Stainless Steel AISI 420C Rc 46-52 Pin
Regular price $8.00 AUDRegular priceUnit price / per$15.20 AUDSale price $8.00 AUDPriced, Stocked and Sold Per pack of 10Excludes GST and overseas Taxes & Duties5 Available NowSale -
R4-2RS-ECO (Pack of 2) --- Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing
Regular price $3.77 AUDRegular priceUnit price / perSale price $3.77 AUDPriced, Stocked and Sold Per pack of 2Excludes GST and overseas Taxes & Duties7 Available Now -
SR4-ZZ-MC3 (Each) --- Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel AISI 440C Bearing
Regular price $4.14 AUDRegular priceUnit price / perSale price $4.14 AUDEachExcludes GST and overseas Taxes & Duties21 Available Now -

RP040-0140-420 (Pack of 20) --- Roll Pins - 4x14x4.4 mm - Stainless Steel AISI 420C Rc 46-52 Pin
Regular price $8.00 AUDRegular priceUnit price / per$15.20 AUDSale price $8.00 AUDPriced, Stocked and Sold Per pack of 20Excludes GST and overseas Taxes & Duties4 Available NowSale -
R4-ZZ-ECO (Pack of 5) --- Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing
Regular price $7.50 AUDRegular priceUnit price / perSale price $7.50 AUDPriced, Stocked and Sold Per pack of 5Excludes GST and overseas Taxes & Duties1 Available Now -
DP015-004-CH-1 (Pack of 5) --- Dowel Pins - 1.5x4 Standard - Steel Alloy - Heat Treated and Ground Rc 58-62 Pin
Regular price $3.59 AUDRegular priceUnit price / perSale price $3.59 AUDPriced, Stocked and Sold Per pack of 5Excludes GST and overseas Taxes & Duties90 Available Now -
RP040-0300-C (Pack of 10) --- Roll Pins - 4x30x4.4 mm Carbon Steel - Carbon Spring Steel Self Finish Pin
Regular price $4.23 AUDRegular priceUnit price / perSale price $4.23 AUDPriced, Stocked and Sold Per pack of 10Excludes GST and overseas Taxes & Duties89 Available Now -
SR4-ZZS-MC34-GR5-R-L23 (Each) --- Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
Regular price $34.41 AUDRegular priceUnit price / per$41.29 AUDSale price $34.41 AUDEachExcludes GST and overseas Taxes & Duties19 Available NowSale -
R4-12B-2RS-MC3 (Each) --- Single Row Ball Bearings - 6.35x19.05x7.142 mm Unflanged - Chrome Steel SAE 52100 Bearing
Regular price $4.32 AUDRegular priceUnit price / perSale price $4.32 AUDEachExcludes GST and overseas Taxes & Duties96 Available Now -
SMR84A-ZZ-MC3 (Each) --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing
Regular price $6.86 AUDRegular priceUnit price / perSale price $6.86 AUDEachExcludes GST and overseas Taxes & Duties123 Available Now -
6700A-ZZS (Each) --- Single Row Ball Bearings - 10x15x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
Regular price $4.14 AUDRegular priceUnit price / perSale price $4.14 AUDEachExcludes GST and overseas Taxes & Duties58 Available Now -
SMR104A-ZZ-MC3 (Each) --- Single Row Ball Bearings - 4x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing
Regular price $6.68 AUDRegular priceUnit price / perSale price $6.68 AUDEachExcludes GST and overseas Taxes & Duties295 Available Now -
SR4-2RS-ECO (Each) --- Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel AISI 440C Bearing
Regular price $2.32 AUDRegular priceUnit price / perSale price $2.32 AUDEachExcludes GST and overseas Taxes & Duties31 Available Now -
SMR307-095-YY-VP-059 (Each) --- Plain Guide Wheels Dual Vee - Size Reference 2 - 30.734x11.113 mm - Stainless Steel AISI 440C Wheel
Regular price $59.95 AUDRegular priceUnit price / perSale price $59.95 AUDEachExcludes GST and overseas Taxes & Duties12 Available Now -
OR-00400-100-N70 (Pack of 100) --- General Purpose O-Rings - 4x1 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Regular price $8.05 AUDRegular priceUnit price / perSale price $8.05 AUDPriced, Stocked and Sold Per pack of 100Excludes GST and overseas Taxes & Duties134 Available Now -

6701-ZZS (Each) --- Single Row Ball Bearings - 12x18x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
Regular price $6.68 AUDRegular priceUnit price / perSale price $6.68 AUDEachExcludes GST and overseas Taxes & Duties53 Available Now -
VENF-7768 (Each) --- Venom Parts Hobby - Gears OCR - Main Rotor
Regular price $16.44 AUDRegular priceUnit price / per$31.23 AUDSale price $16.44 AUDEachExcludes GST and overseas Taxes & Duties1 Available NowSale
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Understanding Component Pricing
When you purchase a larger component, you are largely paying for the volume of physical material. When you purchase a miniature or highly specialized component, you are paying for the...
Understanding Component Pricing
When you purchase a larger component, you are largely paying for the volume of physical material. When you purchase a miniature or highly specialized component, you are paying for the...
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Measurement Balls (Engineering)
Measurement Balls (Engineering) A measurement ball in precision manufacturing, machining, and metrology, reference spheres attached to a shank—variously termed Tooling Balls, Fixture Balls, Inspection Balls, and Checking Balls—serve as permanent...
Measurement Balls (Engineering)
Measurement Balls (Engineering) A measurement ball in precision manufacturing, machining, and metrology, reference spheres attached to a shank—variously termed Tooling Balls, Fixture Balls, Inspection Balls, and Checking Balls—serve as permanent...
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Bearing Retainers (cages) Information
Download the MBA Bearing Retainers Info Sheet The purpose of a bearing’s cage is to hold and separate the rolling elements (balls or rollers) of the bearing. The most common...
Bearing Retainers (cages) Information
Download the MBA Bearing Retainers Info Sheet The purpose of a bearing’s cage is to hold and separate the rolling elements (balls or rollers) of the bearing. The most common...
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Free Washers & Spacers Catalogue
Download the MBA Washers & Spacers PDF Catalogue *** UPDATED RELEASE 2026.2 *** August 2026 The MBA Washers and Spacers catalogue includes flat washers and round through bore spacers of...
Free Washers & Spacers Catalogue
Download the MBA Washers & Spacers PDF Catalogue *** UPDATED RELEASE 2026.2 *** August 2026 The MBA Washers and Spacers catalogue includes flat washers and round through bore spacers of...























