• KOYO SDMF, SDMK Flanged Linear Ball Bearings (Round & Square Flange)
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KOYO SDMF, SDMK Flanged Linear Ball Bearings (Round & Square Flange)

KOYO SDMF, SDMK Flanged Linear Ball Bearings (Round & Square Flange)

Flanged linear ball bearings with round flange (SDMF) or square flange (SDMK) for direct bolting to machine parts, shaft diameter 6 to 80 mm.

Key features

  • Integral round or square mounting flange
  • No separate housing required
  • Recirculating ball design
  • Shaft diameter 6 to 80 mm

Specifications

Product type Flanged linear ball bearing
Series SDMF (round), SDMK (square)
Shaft range 6 - 80 mm
Source KOYO Special Bearings catalogue, p. C162-C165
SDMF6 Shaft d: 6 mm | D: 12 mm | L: 19 mm | C: 108 N | C0: 186 N | Mass: 23 g
SDMK6 Shaft d: 6 mm | D: 12 mm | L: 19 mm | C: 108 N | C0: 186 N | Mass: 23 g
SDMF6MG Shaft d: 6 mm | D: 12 mm | L: 19 mm | C: 108 N | C0: 186 N | Mass: 22 g
SDMK6MG Shaft d: 6 mm | D: 12 mm | L: 19 mm | C: 108 N | C0: 186 N | Mass: 22 g
SDMF8 Shaft d: 8 mm | D: 15 mm | L: 24 mm | C: 122 N | C0: 223 N | Mass: 35 g
SDMK8 Shaft d: 8 mm | D: 15 mm | L: 24 mm | C: 122 N | C0: 223 N | Mass: 35 g
SDMF8MG Shaft d: 8 mm | D: 15 mm | L: 24 mm | C: 134 N | C0: 255 N | Mass: 34 g
SDMK8MG Shaft d: 8 mm | D: 15 mm | L: 24 mm | C: 134 N | C0: 255 N | Mass: 34 g
SDMF10 Shaft d: 10 mm | D: 19 mm | L: 29 mm | C: 259 N | C0: 424 N | Mass: 65 g
SDMK10 Shaft d: 10 mm | D: 19 mm | L: 29 mm | C: 259 N | C0: 424 N | Mass: 65 g
SDMF10MG Shaft d: 10 mm | D: 19 mm | L: 29 mm | C: 259 N | C0: 424 N | Mass: 61 g
SDMK10MG Shaft d: 10 mm | D: 19 mm | L: 29 mm | C: 259 N | C0: 424 N | Mass: 61 g
SDMF12 Shaft d: 12 mm | D: 21 mm | L: 30 mm | C: 260 N | C0: 431 N | Mass: 72 g
SDMK12 Shaft d: 12 mm | D: 21 mm | L: 30 mm | C: 260 N | C0: 431 N | Mass: 72 g
SDMF12MG Shaft d: 12 mm | D: 21 mm | L: 30 mm | C: 260 N | C0: 431 N | Mass: 68 g
SDMK12MG Shaft d: 12 mm | D: 21 mm | L: 30 mm | C: 260 N | C0: 431 N | Mass: 68 g
SDMF13 Shaft d: 13 mm | D: 23 mm | L: 32 mm | C: 289 N | C0: 506 N | Mass: 83 g
SDMK13 Shaft d: 13 mm | D: 23 mm | L: 32 mm | C: 289 N | C0: 506 N | Mass: 83 g
SDMF13MG Shaft d: 13 mm | D: 23 mm | L: 32 mm | C: 289 N | C0: 506 N | Mass: 77 g
SDMK13MG Shaft d: 13 mm | D: 23 mm | L: 32 mm | C: 289 N | C0: 506 N | Mass: 77 g
SDMF16 Shaft d: 16 mm | D: 28 mm | L: 37 mm | C: 480 N | C0: 766 N | Mass: 120 g
SDMK16 Shaft d: 16 mm | D: 28 mm | L: 37 mm | C: 480 N | C0: 766 N | Mass: 120 g
SDMF16MG Shaft d: 16 mm | D: 28 mm | L: 37 mm | C: 480 N | C0: 766 N | Mass: 110 g
SDMK16MG Shaft d: 16 mm | D: 28 mm | L: 37 mm | C: 480 N | C0: 766 N | Mass: 110 g
SDMF20 Shaft d: 20 mm | D: 32 mm | L: 42 mm | C: 590 N | C0: 1 010 N | Mass: 170 g
SDMK20 Shaft d: 20 mm | D: 32 mm | L: 42 mm | C: 590 N | C0: 1 010 N | Mass: 170 g
SDMF20MG Shaft d: 20 mm | D: 32 mm | L: 42 mm | C: 590 N | C0: 1 010 N | Mass: 160 g
SDMK20MG Shaft d: 20 mm | D: 32 mm | L: 42 mm | C: 590 N | C0: 1 010 N | Mass: 160 g
SDMF25 Shaft d: 25 mm | D: 40 mm | L: 59 mm | C: 1 130 N | C0: 2 030 N | Mass: 290 g
SDMK25 Shaft d: 25 mm | D: 40 mm | L: 59 mm | C: 1 130 N | C0: 2 030 N | Mass: 290 g
SDMF25MG Shaft d: 25 mm | D: 40 mm | L: 59 mm | C: 1 130 N | C0: 2 030 N | Mass: 270 g
SDMK25MG Shaft d: 25 mm | D: 40 mm | L: 59 mm | C: 1 130 N | C0: 2 030 N | Mass: 270 g
SDMF30 Shaft d: 30 mm | D: 45 mm | L: 64 mm | C: 1 470 N | C0: 2 770 N | Mass: 440 g
SDMK30 Shaft d: 30 mm | D: 45 mm | L: 64 mm | C: 1 470 N | C0: 2 770 N | Mass: 440 g
SDMF30MG Shaft d: 30 mm | D: 45 mm | L: 64 mm | C: 1 470 N | C0: 2 770 N | Mass: 410 g
SDMK30MG Shaft d: 30 mm | D: 45 mm | L: 64 mm | C: 1 470 N | C0: 2 770 N | Mass: 410 g
SDMF35 Shaft d: 35 mm | D: 52 mm | L: 70 mm | C: 1 580 N | C0: 3 070 N | Mass: 610 g
SDMK35 Shaft d: 35 mm | D: 52 mm | L: 70 mm | C: 1 580 N | C0: 3 070 N | Mass: 610 g
SDMF35MG Shaft d: 35 mm | D: 52 mm | L: 70 mm | C: 1 580 N | C0: 3 070 N | Mass: 560 g
SDMK35MG Shaft d: 35 mm | D: 52 mm | L: 70 mm | C: 1 580 N | C0: 3 070 N | Mass: 560 g
SDMF40 Shaft d: 40 mm | D: 60 mm | L: 80 mm | C: 2 180 N | C0: 4 010 N | Mass: 1 000 g
SDMK40 Shaft d: 40 mm | D: 60 mm | L: 80 mm | C: 2 180 N | C0: 4 010 N | Mass: 1 000 g
SDMF40MG Shaft d: 40 mm | D: 60 mm | L: 80 mm | C: 2 180 N | C0: 4 010 N | Mass: 930 g
SDMK40MG Shaft d: 40 mm | D: 60 mm | L: 80 mm | C: 2 180 N | C0: 4 010 N | Mass: 930 g
SDMF50 Shaft d: 50 mm | D: 80 mm | L: 100 mm | C: 4 420 N | C0: 7 150 N | Mass: 2 000 g
SDMK50 Shaft d: 50 mm | D: 80 mm | L: 100 mm | C: 4 420 N | C0: 7 150 N | Mass: 2 000 g
SDMF60 Shaft d: 60 mm | D: 90 mm | L: 110 mm | C: 5 170 N | C0: 9 030 N | Mass: 2 800 g
SDMK60 Shaft d: 60 mm | D: 90 mm | L: 110 mm | C: 5 170 N | C0: 9 030 N | Mass: 2 800 g
SDMF80 Shaft d: 80 mm | D: 120 mm | L: 140 mm | C: 8 180 N | C0: 12 800 N | Mass: 5 400 g
SDMK80 Shaft d: 80 mm | D: 120 mm | L: 140 mm | C: 8 180 N | C0: 12 800 N | Mass: 5 400 g
Linear BushingsKOYO
50 product codes available in this family
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KOYO SDMF, SDMK Flanged Linear Ball Bearings (Round & Square Flange)

Brand KOYO·Linear Bushings

Available part numbers (50)

SDMF6, SDMK6, SDMF6MG, SDMK6MG, SDMF8, SDMK8, SDMF8MG, SDMK8MG, SDMF10, SDMK10 + 40 more — see full table ↓

How to order

Send the KOYO part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
SDMF6Shaft d: 6 mm | D: 12 mm | L: 19 mm | C: 108 N | C0: 186 N | Mass: 23 g
SDMK6Shaft d: 6 mm | D: 12 mm | L: 19 mm | C: 108 N | C0: 186 N | Mass: 23 g
SDMF6MGShaft d: 6 mm | D: 12 mm | L: 19 mm | C: 108 N | C0: 186 N | Mass: 22 g
SDMK6MGShaft d: 6 mm | D: 12 mm | L: 19 mm | C: 108 N | C0: 186 N | Mass: 22 g
SDMF8Shaft d: 8 mm | D: 15 mm | L: 24 mm | C: 122 N | C0: 223 N | Mass: 35 g
SDMK8Shaft d: 8 mm | D: 15 mm | L: 24 mm | C: 122 N | C0: 223 N | Mass: 35 g
SDMF8MGShaft d: 8 mm | D: 15 mm | L: 24 mm | C: 134 N | C0: 255 N | Mass: 34 g
SDMK8MGShaft d: 8 mm | D: 15 mm | L: 24 mm | C: 134 N | C0: 255 N | Mass: 34 g
SDMF10Shaft d: 10 mm | D: 19 mm | L: 29 mm | C: 259 N | C0: 424 N | Mass: 65 g
SDMK10Shaft d: 10 mm | D: 19 mm | L: 29 mm | C: 259 N | C0: 424 N | Mass: 65 g
SDMF10MGShaft d: 10 mm | D: 19 mm | L: 29 mm | C: 259 N | C0: 424 N | Mass: 61 g
SDMK10MGShaft d: 10 mm | D: 19 mm | L: 29 mm | C: 259 N | C0: 424 N | Mass: 61 g
SDMF12Shaft d: 12 mm | D: 21 mm | L: 30 mm | C: 260 N | C0: 431 N | Mass: 72 g
SDMK12Shaft d: 12 mm | D: 21 mm | L: 30 mm | C: 260 N | C0: 431 N | Mass: 72 g
SDMF12MGShaft d: 12 mm | D: 21 mm | L: 30 mm | C: 260 N | C0: 431 N | Mass: 68 g
SDMK12MGShaft d: 12 mm | D: 21 mm | L: 30 mm | C: 260 N | C0: 431 N | Mass: 68 g
SDMF13Shaft d: 13 mm | D: 23 mm | L: 32 mm | C: 289 N | C0: 506 N | Mass: 83 g
SDMK13Shaft d: 13 mm | D: 23 mm | L: 32 mm | C: 289 N | C0: 506 N | Mass: 83 g
SDMF13MGShaft d: 13 mm | D: 23 mm | L: 32 mm | C: 289 N | C0: 506 N | Mass: 77 g
SDMK13MGShaft d: 13 mm | D: 23 mm | L: 32 mm | C: 289 N | C0: 506 N | Mass: 77 g
SDMF16Shaft d: 16 mm | D: 28 mm | L: 37 mm | C: 480 N | C0: 766 N | Mass: 120 g
SDMK16Shaft d: 16 mm | D: 28 mm | L: 37 mm | C: 480 N | C0: 766 N | Mass: 120 g
SDMF16MGShaft d: 16 mm | D: 28 mm | L: 37 mm | C: 480 N | C0: 766 N | Mass: 110 g
SDMK16MGShaft d: 16 mm | D: 28 mm | L: 37 mm | C: 480 N | C0: 766 N | Mass: 110 g
SDMF20Shaft d: 20 mm | D: 32 mm | L: 42 mm | C: 590 N | C0: 1 010 N | Mass: 170 g
SDMK20Shaft d: 20 mm | D: 32 mm | L: 42 mm | C: 590 N | C0: 1 010 N | Mass: 170 g
SDMF20MGShaft d: 20 mm | D: 32 mm | L: 42 mm | C: 590 N | C0: 1 010 N | Mass: 160 g
SDMK20MGShaft d: 20 mm | D: 32 mm | L: 42 mm | C: 590 N | C0: 1 010 N | Mass: 160 g
SDMF25Shaft d: 25 mm | D: 40 mm | L: 59 mm | C: 1 130 N | C0: 2 030 N | Mass: 290 g
SDMK25Shaft d: 25 mm | D: 40 mm | L: 59 mm | C: 1 130 N | C0: 2 030 N | Mass: 290 g
SDMF25MGShaft d: 25 mm | D: 40 mm | L: 59 mm | C: 1 130 N | C0: 2 030 N | Mass: 270 g
SDMK25MGShaft d: 25 mm | D: 40 mm | L: 59 mm | C: 1 130 N | C0: 2 030 N | Mass: 270 g
SDMF30Shaft d: 30 mm | D: 45 mm | L: 64 mm | C: 1 470 N | C0: 2 770 N | Mass: 440 g
SDMK30Shaft d: 30 mm | D: 45 mm | L: 64 mm | C: 1 470 N | C0: 2 770 N | Mass: 440 g
SDMF30MGShaft d: 30 mm | D: 45 mm | L: 64 mm | C: 1 470 N | C0: 2 770 N | Mass: 410 g
SDMK30MGShaft d: 30 mm | D: 45 mm | L: 64 mm | C: 1 470 N | C0: 2 770 N | Mass: 410 g
SDMF35Shaft d: 35 mm | D: 52 mm | L: 70 mm | C: 1 580 N | C0: 3 070 N | Mass: 610 g
SDMK35Shaft d: 35 mm | D: 52 mm | L: 70 mm | C: 1 580 N | C0: 3 070 N | Mass: 610 g
SDMF35MGShaft d: 35 mm | D: 52 mm | L: 70 mm | C: 1 580 N | C0: 3 070 N | Mass: 560 g
SDMK35MGShaft d: 35 mm | D: 52 mm | L: 70 mm | C: 1 580 N | C0: 3 070 N | Mass: 560 g
SDMF40Shaft d: 40 mm | D: 60 mm | L: 80 mm | C: 2 180 N | C0: 4 010 N | Mass: 1 000 g
SDMK40Shaft d: 40 mm | D: 60 mm | L: 80 mm | C: 2 180 N | C0: 4 010 N | Mass: 1 000 g
SDMF40MGShaft d: 40 mm | D: 60 mm | L: 80 mm | C: 2 180 N | C0: 4 010 N | Mass: 930 g
SDMK40MGShaft d: 40 mm | D: 60 mm | L: 80 mm | C: 2 180 N | C0: 4 010 N | Mass: 930 g
SDMF50Shaft d: 50 mm | D: 80 mm | L: 100 mm | C: 4 420 N | C0: 7 150 N | Mass: 2 000 g
SDMK50Shaft d: 50 mm | D: 80 mm | L: 100 mm | C: 4 420 N | C0: 7 150 N | Mass: 2 000 g
SDMF60Shaft d: 60 mm | D: 90 mm | L: 110 mm | C: 5 170 N | C0: 9 030 N | Mass: 2 800 g
SDMK60Shaft d: 60 mm | D: 90 mm | L: 110 mm | C: 5 170 N | C0: 9 030 N | Mass: 2 800 g
SDMF80Shaft d: 80 mm | D: 120 mm | L: 140 mm | C: 8 180 N | C0: 12 800 N | Mass: 5 400 g
SDMK80Shaft d: 80 mm | D: 120 mm | L: 140 mm | C: 8 180 N | C0: 12 800 N | Mass: 5 400 g

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