Keysteel Lengths - Square– Page21 – Miniature Bearings Australia - MBA Minibearings - Retail & Wholesale

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Width (s1)	Height (s2)	Length (L)	Indicative Image
Width (s1) 44.450 mm _{+ 0.102 / - 0.00} (Equiv. 1.75 in.)	Height (s2) 44.450 mm _{+ 0.102 / - 0.00} (Equiv. 1.75 in.)	Length (L) 3000 mm _{+/- 3.2} (Equiv. 118.11 in.)
Material: Carbon Steel 1045 Category: Keysteel Lengths - Square - Carbon Steel
Part Number: 4R-0445-3000-KPO Square Keysteel Lengths - 44.45x44.45x3000 mm - Carbon Steel 1045 Contact Us \| Special Order Only - Please contact us if you need a large quantity
Width (s1)	Height (s2)	Length (L)	Indicative Image
Width (s1) 44.450 mm _{+ 0.102 / - 0.00} (Equiv. 1.75 in.)	Height (s2) 44.450 mm _{+ 0.102 / - 0.00} (Equiv. 1.75 in.)	Length (L) 3000 mm _{+/- 3.2} (Equiv. 118.11 in.)
Material: Carbon Steel 1045 Category: Keysteel Lengths - Square - Carbon Steel
Part Number: 4R-0445-3000-KPO Square Keysteel Lengths - 44.45x44.45x3000 mm - Carbon Steel 1045 Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Fri, Jul 21, 2028
Width (s1) 50.800 mm _{+ 0 / - 0.102} (Equiv. 2 in.)	Height (s2) 50.800 mm _{+ 0 / - 0.102} (Equiv. 2 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Category: Keysteel Lengths - Square - Carbon Steel Additional stock available from USA subject to Prior Sale = 30
Part Number: 4R-0508-0300-KPU Square Keysteel Lengths - 50.8x50.8x300 mm - Carbon Steel 1045 Out of Stock \| Backorder Now \| Orders can be expected around Sun, Nov 23, 2025 Regular price $390.50 AUD Regular price ~~$468.60 AUD~~ Sale price $390.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Width (s1) 50.800 mm _{+ 0 / - 0.102} (Equiv. 2 in.)	Height (s2) 50.800 mm _{+ 0 / - 0.102} (Equiv. 2 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Category: Keysteel Lengths - Square - Carbon Steel Additional stock available from USA subject to Prior Sale = 30
Part Number: 4R-0508-0300-KPU Square Keysteel Lengths - 50.8x50.8x300 mm - Carbon Steel 1045 Out of Stock \| Backorder Now \| Orders can be expected around Sun, Nov 23, 2025 Regular price $390.50 AUD Regular price ~~$468.60 AUD~~ Sale price $390.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0508-0300-KPU --- Square Keysteel Lengths - 50.8x50.8x300 mm - Carbon Steel 1045 Sale 4R-0508-0300-KPU --- Square Keysteel Lengths - 50.8x50.8x300 mm - Carbon Steel 1045 Regular price $390.50 AUD Regular price ~~$468.60 AUD~~ Sale price $390.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Width (s1) 50.800 mm _{+ 0 / - 0.102} (Equiv. 2 in.)	Height (s2) 50.800 mm _{+ 0 / - 0.102} (Equiv. 2 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Zinc Plated Category: Keysteel Lengths - Square - Zinc Plated Additional stock available from USA subject to Prior Sale = 19
Part Number: 4R-0508-0300-KZU Square Keysteel Lengths - 50.8x50.8x300 mm - Carbon Steel 1045 Zinc Plated Out of Stock \| Backorder Now \| Orders can be expected around Thu, Jan 01, 2026 Regular price $449.59 AUD Regular price ~~$539.51 AUD~~ Sale price $449.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Width (s1) 50.800 mm _{+ 0 / - 0.102} (Equiv. 2 in.)	Height (s2) 50.800 mm _{+ 0 / - 0.102} (Equiv. 2 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Zinc Plated Category: Keysteel Lengths - Square - Zinc Plated Additional stock available from USA subject to Prior Sale = 19
Part Number: 4R-0508-0300-KZU Square Keysteel Lengths - 50.8x50.8x300 mm - Carbon Steel 1045 Zinc Plated Out of Stock \| Backorder Now \| Orders can be expected around Thu, Jan 01, 2026 Regular price $449.59 AUD Regular price ~~$539.51 AUD~~ Sale price $449.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0508-0300-KZU --- Square Keysteel Lengths - 50.8x50.8x300 mm - Carbon Steel 1045 Zinc Plated Sale 4R-0508-0300-KZU --- Square Keysteel Lengths - 50.8x50.8x300 mm - Carbon Steel 1045 Zinc Plated Regular price $449.59 AUD Regular price ~~$539.51 AUD~~ Sale price $449.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Width (s1) 50.800 mm _{+ 0.102 / - 0.00} (Equiv. 2 in.)	Height (s2) 50.800 mm _{+ 0.102 / - 0.00} (Equiv. 2 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Zinc Plated Category: Keysteel Lengths - Square - Zinc Plated Additional stock available from USA subject to Prior Sale = 18
Part Number: 4R-0508-0300-KZO Square Keysteel Lengths - 50.8x50.8x300 mm - Carbon Steel 1045 Zinc Plated Out of Stock \| Backorder Now \| Orders can be expected around Sun, Nov 23, 2025 Regular price $444.86 AUD Regular price ~~$533.84 AUD~~ Sale price $444.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Width (s1) 50.800 mm _{+ 0.102 / - 0.00} (Equiv. 2 in.)	Height (s2) 50.800 mm _{+ 0.102 / - 0.00} (Equiv. 2 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Zinc Plated Category: Keysteel Lengths - Square - Zinc Plated Additional stock available from USA subject to Prior Sale = 18
Part Number: 4R-0508-0300-KZO Square Keysteel Lengths - 50.8x50.8x300 mm - Carbon Steel 1045 Zinc Plated Out of Stock \| Backorder Now \| Orders can be expected around Sun, Nov 23, 2025 Regular price $444.86 AUD Regular price ~~$533.84 AUD~~ Sale price $444.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0508-0300-KZO --- Square Keysteel Lengths - 50.8x50.8x300 mm - Carbon Steel 1045 Zinc Plated Sale 4R-0508-0300-KZO --- Square Keysteel Lengths - 50.8x50.8x300 mm - Carbon Steel 1045 Zinc Plated Regular price $444.86 AUD Regular price ~~$533.84 AUD~~ Sale price $444.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Width (s1) 50.800 mm _{+ 0.102 / - 0.00} (Equiv. 2 in.)	Height (s2) 50.800 mm _{+ 0.102 / - 0.00} (Equiv. 2 in.)	Length (L) 914 mm _{+/- 3.2} (Equiv. 35.984 in.)
Material: Carbon Steel 1045 Zinc Plated Category: Keysteel Lengths - Square - Zinc Plated Additional stock available from USA subject to Prior Sale = 16
Part Number: 4R-0508-0914-KZO Square Keysteel Lengths - 50.8x50.8x914 mm - Carbon Steel 1045 Zinc Plated Out of Stock \| Backorder Now \| Orders can be expected around Sun, Nov 23, 2025 Regular price $1,301.14 AUD Regular price ~~$1,561.36 AUD~~ Sale price $1,301.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Width (s1) 50.800 mm _{+ 0.102 / - 0.00} (Equiv. 2 in.)	Height (s2) 50.800 mm _{+ 0.102 / - 0.00} (Equiv. 2 in.)	Length (L) 914 mm _{+/- 3.2} (Equiv. 35.984 in.)
Material: Carbon Steel 1045 Zinc Plated Category: Keysteel Lengths - Square - Zinc Plated Additional stock available from USA subject to Prior Sale = 16
Part Number: 4R-0508-0914-KZO Square Keysteel Lengths - 50.8x50.8x914 mm - Carbon Steel 1045 Zinc Plated Out of Stock \| Backorder Now \| Orders can be expected around Sun, Nov 23, 2025 Regular price $1,301.14 AUD Regular price ~~$1,561.36 AUD~~ Sale price $1,301.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0508-0914-KZO --- Square Keysteel Lengths - 50.8x50.8x914 mm - Carbon Steel 1045 Zinc Plated Sale 4R-0508-0914-KZO --- Square Keysteel Lengths - 50.8x50.8x914 mm - Carbon Steel 1045 Zinc Plated Regular price $1,301.14 AUD Regular price ~~$1,561.36 AUD~~ Sale price $1,301.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Width (s1) 50.800 mm _{+ 0 / - 0.102} (Equiv. 2 in.)	Height (s2) 50.800 mm _{+ 0 / - 0.102} (Equiv. 2 in.)	Length (L) 914 mm _{+/- 3.2} (Equiv. 35.984 in.)
Material: Carbon Steel 1045 Category: Keysteel Lengths - Square - Carbon Steel Additional stock available from USA subject to Prior Sale = 24
Part Number: 4R-0508-0914-KPU Square Keysteel Lengths - 50.8x50.8x914 mm - Carbon Steel 1045 Out of Stock \| Backorder Now \| Orders can be expected around Sun, Nov 23, 2025 Regular price $1,145.68 AUD Regular price ~~$1,374.82 AUD~~ Sale price $1,145.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Width (s1) 50.800 mm _{+ 0 / - 0.102} (Equiv. 2 in.)	Height (s2) 50.800 mm _{+ 0 / - 0.102} (Equiv. 2 in.)	Length (L) 914 mm _{+/- 3.2} (Equiv. 35.984 in.)
Material: Carbon Steel 1045 Category: Keysteel Lengths - Square - Carbon Steel Additional stock available from USA subject to Prior Sale = 24
Part Number: 4R-0508-0914-KPU Square Keysteel Lengths - 50.8x50.8x914 mm - Carbon Steel 1045 Out of Stock \| Backorder Now \| Orders can be expected around Sun, Nov 23, 2025 Regular price $1,145.68 AUD Regular price ~~$1,374.82 AUD~~ Sale price $1,145.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0508-0914-KPU --- Square Keysteel Lengths - 50.8x50.8x914 mm - Carbon Steel 1045 Sale 4R-0508-0914-KPU --- Square Keysteel Lengths - 50.8x50.8x914 mm - Carbon Steel 1045 Regular price $1,145.68 AUD Regular price ~~$1,374.82 AUD~~ Sale price $1,145.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Width (s1) 50.800 mm _{+ 0.102 / - 0.00} (Equiv. 2 in.)	Height (s2) 50.800 mm _{+ 0.102 / - 0.00} (Equiv. 2 in.)	Length (L) 3000 mm _{+/- 3.2} (Equiv. 118.11 in.)
Material: Carbon Steel 1045 Zinc Plated Category: Keysteel Lengths - Square - Zinc Plated
Part Number: 4R-0508-3000-KZO Square Keysteel Lengths - 50.8x50.8x3000 mm - Carbon Steel 1045 Zinc Plated Contact Us \| Special Order Only - Please contact us if you need a large quantity
Width (s1) 50.800 mm _{+ 0.102 / - 0.00} (Equiv. 2 in.)	Height (s2) 50.800 mm _{+ 0.102 / - 0.00} (Equiv. 2 in.)	Length (L) 3000 mm _{+/- 3.2} (Equiv. 118.11 in.)
Material: Carbon Steel 1045 Zinc Plated Category: Keysteel Lengths - Square - Zinc Plated
Part Number: 4R-0508-3000-KZO Square Keysteel Lengths - 50.8x50.8x3000 mm - Carbon Steel 1045 Zinc Plated Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Fri, Jul 21, 2028
Width (s1) 63.500 mm _{+ 0 / - 0.102} (Equiv. 2.5 in.)	Height (s2) 63.500 mm _{+ 0 / - 0.102} (Equiv. 2.5 in.)	Length (L) 914 mm _{+/- 3.2} (Equiv. 35.984 in.)
Material: Carbon Steel 1045 Category: Keysteel Lengths - Square - Carbon Steel Additional stock available from USA subject to Prior Sale = 2
Part Number: 4R-0635-0914-KPU Square Keysteel Lengths - 63.5x63.5x914 mm - Carbon Steel 1045 Out of Stock \| Backorder Now \| Orders can be expected around Sun, Nov 23, 2025 Regular price $2,091.05 AUD Regular price ~~$2,509.25 AUD~~ Sale price $2,091.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Width (s1) 63.500 mm _{+ 0 / - 0.102} (Equiv. 2.5 in.)	Height (s2) 63.500 mm _{+ 0 / - 0.102} (Equiv. 2.5 in.)	Length (L) 914 mm _{+/- 3.2} (Equiv. 35.984 in.)
Material: Carbon Steel 1045 Category: Keysteel Lengths - Square - Carbon Steel Additional stock available from USA subject to Prior Sale = 2
Part Number: 4R-0635-0914-KPU Square Keysteel Lengths - 63.5x63.5x914 mm - Carbon Steel 1045 Out of Stock \| Backorder Now \| Orders can be expected around Sun, Nov 23, 2025 Regular price $2,091.05 AUD Regular price ~~$2,509.25 AUD~~ Sale price $2,091.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0635-0914-KPU --- Square Keysteel Lengths - 63.5x63.5x914 mm - Carbon Steel 1045 Sale 4R-0635-0914-KPU --- Square Keysteel Lengths - 63.5x63.5x914 mm - Carbon Steel 1045 Regular price $2,091.05 AUD Regular price ~~$2,509.25 AUD~~ Sale price $2,091.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Width (s1) 63.500 mm _{+ 0 / - 0.102} (Equiv. 2.5 in.)	Height (s2) 63.500 mm _{+ 0 / - 0.102} (Equiv. 2.5 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Category: Keysteel Lengths - Square - Carbon Steel Additional stock available from USA subject to Prior Sale = 15
Part Number: 4R-0635-0300-KPU Square Keysteel Lengths - 63.5x63.5x300 mm - Carbon Steel 1045 Out of Stock \| Backorder Now \| Orders can be expected around Sun, Nov 23, 2025 Regular price $737.95 AUD Regular price ~~$885.55 AUD~~ Sale price $737.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Width (s1) 63.500 mm _{+ 0 / - 0.102} (Equiv. 2.5 in.)	Height (s2) 63.500 mm _{+ 0 / - 0.102} (Equiv. 2.5 in.)	Length (L) 300 mm _{+/- 3.2} (Equiv. 11.811 in.)
Material: Carbon Steel 1045 Category: Keysteel Lengths - Square - Carbon Steel Additional stock available from USA subject to Prior Sale = 15
Part Number: 4R-0635-0300-KPU Square Keysteel Lengths - 63.5x63.5x300 mm - Carbon Steel 1045 Out of Stock \| Backorder Now \| Orders can be expected around Sun, Nov 23, 2025 Regular price $737.95 AUD Regular price ~~$885.55 AUD~~ Sale price $737.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0635-0300-KPU --- Square Keysteel Lengths - 63.5x63.5x300 mm - Carbon Steel 1045 Sale 4R-0635-0300-KPU --- Square Keysteel Lengths - 63.5x63.5x300 mm - Carbon Steel 1045 Regular price $737.95 AUD Regular price ~~$885.55 AUD~~ Sale price $737.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale

Miniature Bearings Australia Pty Ltd
3/8 Boyland Avenue
Coopers Plains, Queensland, Australia.
(ABN: 94 069 113 800)