Keysteel Lengths - Square– Page21 – Miniature Bearings Australia - MBA Minibearings- Domestic & Export

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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) 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 = 11
Part Number: 4R-0445-0914-KPO (Each) Square Keysteel Lengths - 44.45x44.45x914 mm - Carbon Steel 1045 Out of Stock \| Backorder Now \| Orders can be expected around Sat, Jan 03, 2026 Regular price $908.86 AUD Regular price ~~$1,090.64 AUD~~ Sale price $908.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
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) 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 = 11
Part Number: 4R-0445-0914-KPO (Each) Square Keysteel Lengths - 44.45x44.45x914 mm - Carbon Steel 1045 Out of Stock \| Backorder Now \| Orders can be expected around Sat, Jan 03, 2026 Regular price $908.86 AUD Regular price ~~$1,090.64 AUD~~ Sale price $908.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0445-0914-KPO (Each) --- Square Keysteel Lengths - 44.45x44.45x914 mm - Carbon Steel 1045 Sale 4R-0445-0914-KPO (Each) --- Square Keysteel Lengths - 44.45x44.45x914 mm - Carbon Steel 1045 Regular price $908.86 AUD Regular price ~~$1,090.64 AUD~~ Sale price $908.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Width (s1) 44.450 mm _{+ 0 / - 0.102} (Equiv. 1.75 in.)	Height (s2) 44.450 mm _{+ 0 / - 0.102} (Equiv. 1.75 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 = 3
Part Number: 4R-0445-0914-KPU (Each) Square Keysteel Lengths - 44.45x44.45x914 mm - Carbon Steel 1045 Out of Stock \| Backorder Now \| Orders can be expected around Sat, Jan 03, 2026 Regular price $898.77 AUD Regular price ~~$1,078.53 AUD~~ Sale price $898.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Width (s1) 44.450 mm _{+ 0 / - 0.102} (Equiv. 1.75 in.)	Height (s2) 44.450 mm _{+ 0 / - 0.102} (Equiv. 1.75 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 = 3
Part Number: 4R-0445-0914-KPU (Each) Square Keysteel Lengths - 44.45x44.45x914 mm - Carbon Steel 1045 Out of Stock \| Backorder Now \| Orders can be expected around Sat, Jan 03, 2026 Regular price $898.77 AUD Regular price ~~$1,078.53 AUD~~ Sale price $898.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0445-0914-KPU (Each) --- Square Keysteel Lengths - 44.45x44.45x914 mm - Carbon Steel 1045 Sale 4R-0445-0914-KPU (Each) --- Square Keysteel Lengths - 44.45x44.45x914 mm - Carbon Steel 1045 Regular price $898.77 AUD Regular price ~~$1,078.53 AUD~~ Sale price $898.77 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 = 13
Part Number: 4R-0508-0300-KZU (Each) Square Keysteel Lengths - 50.8x50.8x300 mm - Carbon Steel 1045 Zinc Plated Out of Stock \| Backorder Now \| Orders can be expected around Wed, Feb 11, 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 = 13
Part Number: 4R-0508-0300-KZU (Each) Square Keysteel Lengths - 50.8x50.8x300 mm - Carbon Steel 1045 Zinc Plated Out of Stock \| Backorder Now \| Orders can be expected around Wed, Feb 11, 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 (Each) --- Square Keysteel Lengths - 50.8x50.8x300 mm - Carbon Steel 1045 Zinc Plated Sale 4R-0508-0300-KZU (Each) --- 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) 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 (Each) 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 (Each) 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 Thu, Aug 31, 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 = 53
Part Number: 4R-0508-0300-KPU (Each) Square Keysteel Lengths - 50.8x50.8x300 mm - Carbon Steel 1045 Out of Stock \| Backorder Now \| Orders can be expected around Sat, Jan 03, 2026 Regular price $382.23 AUD Regular price ~~$458.67 AUD~~ Sale price $382.23 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 = 53
Part Number: 4R-0508-0300-KPU (Each) Square Keysteel Lengths - 50.8x50.8x300 mm - Carbon Steel 1045 Out of Stock \| Backorder Now \| Orders can be expected around Sat, Jan 03, 2026 Regular price $382.23 AUD Regular price ~~$458.67 AUD~~ Sale price $382.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0508-0300-KPU (Each) --- Square Keysteel Lengths - 50.8x50.8x300 mm - Carbon Steel 1045 Sale 4R-0508-0300-KPU (Each) --- Square Keysteel Lengths - 50.8x50.8x300 mm - Carbon Steel 1045 Regular price $382.23 AUD Regular price ~~$458.67 AUD~~ Sale price $382.23 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 = 23
Part Number: 4R-0508-0300-KZO (Each) Square Keysteel Lengths - 50.8x50.8x300 mm - Carbon Steel 1045 Zinc Plated Out of Stock \| Backorder Now \| Orders can be expected around Sat, Jan 03, 2026 Regular price $464.86 AUD Regular price ~~$557.84 AUD~~ Sale price $464.86 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 = 23
Part Number: 4R-0508-0300-KZO (Each) Square Keysteel Lengths - 50.8x50.8x300 mm - Carbon Steel 1045 Zinc Plated Out of Stock \| Backorder Now \| Orders can be expected around Sat, Jan 03, 2026 Regular price $464.86 AUD Regular price ~~$557.84 AUD~~ Sale price $464.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0508-0300-KZO (Each) --- Square Keysteel Lengths - 50.8x50.8x300 mm - Carbon Steel 1045 Zinc Plated Sale 4R-0508-0300-KZO (Each) --- Square Keysteel Lengths - 50.8x50.8x300 mm - Carbon Steel 1045 Zinc Plated Regular price $464.86 AUD Regular price ~~$557.84 AUD~~ Sale price $464.86 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 (Each) Square Keysteel Lengths - 50.8x50.8x914 mm - Carbon Steel 1045 Zinc Plated Out of Stock \| Backorder Now \| Orders can be expected around Sat, Jan 03, 2026 Regular price $1,332.95 AUD Regular price ~~$1,599.55 AUD~~ Sale price $1,332.95 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 (Each) Square Keysteel Lengths - 50.8x50.8x914 mm - Carbon Steel 1045 Zinc Plated Out of Stock \| Backorder Now \| Orders can be expected around Sat, Jan 03, 2026 Regular price $1,332.95 AUD Regular price ~~$1,599.55 AUD~~ Sale price $1,332.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0508-0914-KZO (Each) --- Square Keysteel Lengths - 50.8x50.8x914 mm - Carbon Steel 1045 Zinc Plated Sale 4R-0508-0914-KZO (Each) --- Square Keysteel Lengths - 50.8x50.8x914 mm - Carbon Steel 1045 Zinc Plated Regular price $1,332.95 AUD Regular price ~~$1,599.55 AUD~~ Sale price $1,332.95 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 = 21
Part Number: 4R-0508-0914-KPU (Each) Square Keysteel Lengths - 50.8x50.8x914 mm - Carbon Steel 1045 Out of Stock \| Backorder Now \| Orders can be expected around Sat, Jan 03, 2026 Regular price $1,105.77 AUD Regular price ~~$1,326.93 AUD~~ Sale price $1,105.77 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 = 21
Part Number: 4R-0508-0914-KPU (Each) Square Keysteel Lengths - 50.8x50.8x914 mm - Carbon Steel 1045 Out of Stock \| Backorder Now \| Orders can be expected around Sat, Jan 03, 2026 Regular price $1,105.77 AUD Regular price ~~$1,326.93 AUD~~ Sale price $1,105.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0508-0914-KPU (Each) --- Square Keysteel Lengths - 50.8x50.8x914 mm - Carbon Steel 1045 Sale 4R-0508-0914-KPU (Each) --- Square Keysteel Lengths - 50.8x50.8x914 mm - Carbon Steel 1045 Regular price $1,105.77 AUD Regular price ~~$1,326.93 AUD~~ Sale price $1,105.77 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 (Each) Square Keysteel Lengths - 63.5x63.5x300 mm - Carbon Steel 1045 Out of Stock \| Backorder Now \| Orders can be expected around Sat, Jan 03, 2026 Regular price $708.95 AUD Regular price ~~$850.75 AUD~~ Sale price $708.95 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 (Each) Square Keysteel Lengths - 63.5x63.5x300 mm - Carbon Steel 1045 Out of Stock \| Backorder Now \| Orders can be expected around Sat, Jan 03, 2026 Regular price $708.95 AUD Regular price ~~$850.75 AUD~~ Sale price $708.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0635-0300-KPU (Each) --- Square Keysteel Lengths - 63.5x63.5x300 mm - Carbon Steel 1045 Sale 4R-0635-0300-KPU (Each) --- Square Keysteel Lengths - 63.5x63.5x300 mm - Carbon Steel 1045 Regular price $708.95 AUD Regular price ~~$850.75 AUD~~ Sale price $708.95 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) 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 (Each) Square Keysteel Lengths - 63.5x63.5x914 mm - Carbon Steel 1045 Out of Stock \| Backorder Now \| Orders can be expected around Sat, Jan 03, 2026 Regular price $1,996.77 AUD Regular price ~~$2,396.13 AUD~~ Sale price $1,996.77 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 (Each) Square Keysteel Lengths - 63.5x63.5x914 mm - Carbon Steel 1045 Out of Stock \| Backorder Now \| Orders can be expected around Sat, Jan 03, 2026 Regular price $1,996.77 AUD Regular price ~~$2,396.13 AUD~~ Sale price $1,996.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
4R-0635-0914-KPU (Each) --- Square Keysteel Lengths - 63.5x63.5x914 mm - Carbon Steel 1045 Sale 4R-0635-0914-KPU (Each) --- Square Keysteel Lengths - 63.5x63.5x914 mm - Carbon Steel 1045 Regular price $1,996.77 AUD Regular price ~~$2,396.13 AUD~~ Sale price $1,996.77 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)