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Standard LM Shaft

Standard LM Shaft

THK

THK

[Features]
· THK is a high quality, dedicated LM-shaped linear bushing.
· LM shafts are available with quick delivery.
· Manufactured with shaft diameter tolerance g5, h5 precision grade LM shafts semi-standard.
· LM shafts made from corrosion-resistant martensitic stainless steel are also in production.

(i)Caution

  • Some of the items are scheduled to be discontinued as of end of March in 2023. The manufacturer keep the items produced but they are not available with Misumi.
    There are not the replacement items and the plan to resumption of sale. Please check the quotation and order screen for details.

PDF

Japanese Only

Part Number

Configured Part Number is shown.

Drawing

Standard LM shaft dimensional drawing

Product Specifications

[Main Materials]
SUJ2 (High carbon chrome bearing steel)
THK5SP (THK standard material)
Equivalent to SUS440C
[Hardness]58 to 64 HRC (SUJ2, THK5SP), 56 HRC or higher (Equivalent to SUS440C)
[Case Depth]0.8 to 2.5 mm (Depending on the shaft diameter)
[Surface Roughness]Ra0.4 or less
[Straightness of LM Shaft]50 µm/300 mm or less

Standard Table

Part numberShaft diameterProduction length L
dTolerance
g6 µm		Minimum lengthMaximum length
SF 33-2
-8		20400
SF 44-4
-12		20400
SF 5520500
SF 66201,500
SF 88-5
-14		201,500
SF 1010301,500
SF 1212-6
-17		301,500
SF 1313301,500
SF 1616403,000
SF 2020-7
-20		403,000
SF 2525503,000
SF 3030603,000
SF 3535-9
-25		703,000
SF 38381003,000
SF 40401003,000
SF 50501003,000
SF 6060-10
-29		2003,000
SF 80802003,000
SF 100100-12
-34		2003,000
30
45
60
  1. 1
Part Number
SF5[(G6),​(H7)]-[70-400/1]L
SF6[(G6),​(H7)]X2-[70-600/1]L
SF6[(G6),​(H7)]-[70-600/1]L
SF12[(G6),​(H7)]X6-[70-1000/1]L
SF12[(G6),​(H7)]-[70-1000/1]L
SF20[(G6),​(H7)]-[100-1200/1]L
SF20[(G6),​(H7)]X[10,​14]-[100-1200/1]L
SF30[(G6),​(H7)]X16-[100-1500/1]L
SF30[(G6),​(H7)]-[100-1500/1]L
SF35[(G6),​(H7)]X20-[100-1500/1]L
SF35[(G6),​(H7)]-[100-1500/1]L
SF40[(G6),​(H7)]X22-[100-2000/1]L
SF40[(G6),​(H7)]-[100-2000/1]L
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipBasic Shape Shaft Dia. D
(Ø) 		Length L
(mm) 		Shaft fits Pipe inner diameter

-

1 Piece(s) 18 Day(s) or more Straight570 ～ 400g6 / h70

-

1 Piece(s) 18 Day(s) or more Straight670 ～ 600g6 / h72

-

1 Piece(s) 18 Day(s) or more Straight670 ～ 600g6 / h70

-

1 Piece(s) 18 Day(s) or more Straight1270 ～ 1000g6 / h76

-

1 Piece(s) 18 Day(s) or more Straight1270 ～ 1000g6 / h70

-

1 Piece(s) 18 Day(s) or more Straight20100 ～ 1200g6 / h70

-

1 Piece(s) 18 Day(s) or more Straight20100 ～ 1200g6 / h710 ～ 14

-

1 Piece(s) 18 Day(s) or more Straight30100 ～ 1500g6 / h716

-

1 Piece(s) 18 Day(s) or more Straight30100 ～ 1500g6 / h70

-

1 Piece(s) 18 Day(s) or more Straight35100 ～ 1500g6 / h720

-

1 Piece(s) 18 Day(s) or more Straight35100 ～ 1500g6 / h70

-

1 Piece(s) 18 Day(s) or more Straight40100 ～ 2000g6 / h722

-

1 Piece(s) 18 Day(s) or more Straight40100 ～ 2000g6 / h70

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  1. 1
 

Basic Information

End Shape (Left) No Machining End Shape (Right) No Machining Material SUJ2
Heat Treatment Induction hardened Surface Treatment No Material SUJ2
Heat Treatment HRC58~64

Configure

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13 Part Numbers

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Specification/Dimensions

  • Shaft Dia. D(Ø)

    • 5
    • 6
    • 12
    • 20
    • 30
    • 35
    • 40

    Clear

  • Length L(mm)

     [70-2000/1mm Unit(s)]

    Clear

  • Shaft fits

    • g6
    • h7

    Clear

  • Pipe inner diameter

    • 0
    • 2
    • 6
    • 10
    • 14
    • 16
    • 20
    • 22

    Clear

  • type

    • SF

    Clear

  • Basic Shape

    • Straight
    • Pipe

    Clear

Days to Ship

    • All
    • 18 Day(s) or Less

    Clear

Specify Alterations

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