Shaft holders / round flange, square flange, two-sided flattened round flange / one-piece (SSTHC8-MB)

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MISUMI

Product Details:

Manufacturer part number: SSTHC8-MB

Brand: MISUMI

Price: 19.50 €

Delivery time: 7 Days

Technical Data:

Hole Dia. D: 8 mm

Material: [Stainless Steel] EN 1.4301 Equiv.

Surface Treatment: Not Provided

Flange Shape Type: Standard

Flange Shape: Compact Flanged

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SSTHC8-MB

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Technical Information

Back to the Category Shaft Holders

Technical Drawing

Shaft Supports/Flanged Mount/Thick Sleeve:Related Image

Available dimensions and tolerances can be found under the tab More information .

Basic properties (e.g., material, hardness, coating, tolerance)

Type	Through Mounting Holes			Tapped Mounting Holes		Material	Surface Treatment
Type	Round Flanged	Square Flanged	Compact Flanged	Round Flanged	Compact Flanged	Material	Surface Treatment
Standard	STHRB	STHSB	STHCB	STHRBT	STHCBT	General Structural Steel	Black Oxide
	STHR	STHS	STHC	STHRT	STHCT	General Structural Steel	Electroless Nickel Plating
	SSTHR	SSTHS	SSTHC	SSTHRT	SSTHCT	EN 1.4301 Equiv.	-
	ATHR	ATHS	ATHC	-	-	Aluminum Alloy 6000 series	Clear Anodize
Long Sleeve	STHRBL	STHSBL	STHCBL	-	-	General Structural Steel	Black Oxide
	STHRL	STHSL	STHCL	-	-	General Structural Steel	Electroless Nickel Plating
	SSTHRL	SSTHSL	SSTHCL	-	-	EN 1.4301 Equiv.	-

See Alterations section for inclusion of a Hex Socket Set Screw.

Further specifications can be found under the tab More information.

Composition of a product code

	Part Number
	STHRL10

Alterations

General Information

Shaft Holder Selection Details

- Material: aluminum, stainless steel, steel
- Coatings: uncoated, burnished, nickel-plated, clear anodized, black anodized
- ISO tolerances: H7
- Perpendicularity: 0.02 mm
- Inside diameter: 3 to 50 mm
- Shaft fastening: clamping screw, with keyway, slotted clamping, with clamping lever, two-parts, with hinge
- Basic shapes: round flange, guided round flange, compact flange, square flange, T-shape, L-shape, block shape, round
- Shaft holder fastening: through hole, with cylinder pin bore, with countersunk bore, internal thread

Description/Basics

Shaft holders serve as fastener between a rigid shaft (axis) and an application.

The basic task of shaft holders, also known as shaft supports, is the horizontal or vertical mounting and fastening of axles, linear shafts and rotary shafts.

Unlike bearings with housing, shaft holders do not have a ball bearing. Shaft holders are used to fix rigid axles and shafts on which rotating or linearly moving components are located. This means that shaft holders are used in rotary and linear applications.

Application example of an axle support with linear shaft

Shaft holders primarily transfer compressive loads and tensile loads from the axis to the base of the application. Depending on the application and the load applied, the wall thickness of the shaft mount must be selected accordingly.

The shaft receiver of the shaft holder is provided by default with an H7 or 0 / +0.1 fitting bore. Therefore, the ISO shaft tolerances g6, f8 and h5 are suitable for connecting the shaft. The MISUMI shaft holders can be configured via the option [HC] in the shaft height in up to 0.1 mm increments. This allows the shaft position to be precisely aligned to the required height of the shaft.
With the option [MB], the grub screw of the shaft holder can be added to the variant with clamping screw. You can see whether this option is available in the Section ‘Alterations’. Alternatively, MISUMI also offers grub screws individually in different variations.

Shaft fastener

MISUMI offers various clamping options for the shaft holders.

Shaft holder with grub screw

The standard version of the shaft mount is a shaft holder with clamping screw. This method of fixing the shaft is clamped in the shaft holder with a clamping screw (grub screw). In this type of fixing, the shaft is generally provided with a flat surface, because this increases the clamping surface, which is particularly advantageous for flat grub screws. Another advantage of the flat surface is that the running surface of the shaft is not deformed by the clamping pressure of the grub screw. Therefore, it reduces the risk of tilting during the disassembly of the shaft.
Another option for protecting the running surface of the shaft in the shaft holder is the use of a grub screw with tappet or a pressure piece made of a soft material (e.g., plastic or brass).

Application example: shaft holder with grub screw and pressure piece – (1) Shaft holder, (2) Shaft holder, (3) Pressure piece, (4) Linear shaft

Shaft holder with slot

A further variant of shaft mounting represents fastening through a shaft holder with a clamping slot. The main advantage of shaft blocks with slotted clamping is that almost the entire contact surface of the shaft holder is used for clamping the shaft. The result is a uniform distribution of the clamping force. This means that the shaft can be connected with increased clamping force without damaging it. MISUMI offers shaft brackets with slot clamps with vertical and horizontal slots.

Drawing: shaft block with slot clamping

Shaft holder with slot and clamping lever

In applications where the shafts often have to be adjusted in axial direction, a shaft holder with clamping lever can be helpful. This shaft holder is structurally the same as a shaft holder with a clamping slot. However, a clamping lever is installed on this shaft holder instead of the clamping screw, which builds up the clamping pressure. Therefore, it can be readjusted without the requirement of an additional tool.

Drawing: shaft holder with clamping lever

Shaft holder with flange

For applications with limited installation space, a round shaft flange can be a suitable variant. A shaft flange is often used in vertical stroke applications. This is a separate design at MISUMI. It can be configured with slotted clamping and clamping screw.

Drawing: shaft flange with slotted clamping and clamping screw

Shaft holder with flange and keyway

The shaft holder with keyway is a special form of the shaft holder at MISUMI. This special form extends the range of application of the shaft holders and has a variety of special functions compared to a standard shaft holder.

Drawing: keyway shaft flange

Shaft holder with flange for rear mounting

Another special form of the shaft holder at MISUMI is the shaft flange for rear mounting of the shaft. With this shaft holder, the back of the shaft flange has a counterbore for a cylinder head screw that secures the shaft. For this purpose, it is necessary that the shaft is provided with an internal thread at the shaft end. This method of fixing does not require any further clamping of the shaft.

Drawing: rear mount shaft holder

Round shaft holder

The round shaft holder is the combination of a compact version of a shaft flange and a shaft collar. The round shaft bracket has mounting holes on the front and slotted clamps. In contrast to the flanged shaft holder, the outer mounting flange is omitted for the round shaft holder. Therefore, it requires less space than the conventional shaft flange. As a result, it is better suited for applications with limited space.

Drawing: round and compact shaft holder

Two-part shaft holder with slot

For shafts that require frequent maintenance, an application can be equipped with a two-part shaft holder. With a two-part shaft holder, the upper part of the shaft holder is fixed in place with two screws and can be easily assembled and disassembled. During maintenance, the previously adjusted shaft holder can remain in its position and do not need to be readjusted. These shaft holders have two opposite slots and secure the shaft via the slot clamp. The advantages of slot clamping are that almost the entire contact surface of the shaft holder is used for clamping the shaft. This causes a uniform distribution of force, which allows the shaft to be fixed with increased clamping force without damaging it.

Drawing: two-part shaft holder, two-part shaft flange

Two-part shaft holder with slot and hinge

Another rare version of two-part shaft brackets is the hinged shaft holder. These shaft holders simplify the assembly and disassembly of the shaft compared to common shaft holders. Another advantage of this variant over the conventional two-part shaft holder is that the upper part remains fixed to the shaft holder in loosened state and is thus secured against loss.

Drawing: shaft holder with hinge

As an alternative to a shaft holder, a column base can also be used. These offer extremely precise positioning due to their precise concentricity. For shafts that need to be mounted for rotary movement, MISUMI offers shaft holders with integrated ball bearings (bearings with housing).

Areas of Application

Since each shaft requires a connecting element for support and fastening, shaft holders are necessary connecting means for a variety of applications. MISUMI has a wide product range of shaft holders to meet a wide variety of requirements. MISUMI offers the right axle holder depending on the application and shaft alignment. Through the various mounting options, as well as selectable geometries, diameters, configurable shaft heights and shaft fastening types, MISUMI shaft supports offer a wide range of possible uses and individual utilization for mechanical engineering and plant engineering across many industrial sectors.

Materials

MISUMI shaft holders are available in aluminum, steel, and stainless steel. Shaft holders can be cast or machined from these materials.

Dimensions

Drawing: axle holder with chamfered round flange

Drawing: round shaft flange

Drawing: shaft flange with guided round flange

Drawing: round shaft holder

Drawing: shaft holder in T-shape

Drawing: shaft holder in L-shape

Drawing: shaft holder in block form

Instructions for Use/Installation Information

Instructions for use

MISUMI offers shaft holders in very small and low block shapes for very limited installation spaces. Thanks to the lateral mounting holes, a shaft to be mounted very low in an application. These shaft holders allow a shaft height of approx. 5 mm, depending on the shaft diameter.

Comparison of a standard and low installation height shaft holder
(1) Shaft holder in high block shape, (2) Shaft holder in block shape, (3) Shaft holder in T-shape, (4) Shaft holder in low T-shape, (5) Low two-part shaft holder

Installation Information

Drawing: shaft flange with through-holes

Drawing: shaft holder with counterbore

Drawing: shaft flange with through-hole and dowel pin holes

Drawing: guided shaft flange with through-holes

Drawing: shaft flange drawing with continuous female thread

Drawing: female-threaded shaft support

Application examples

Application example: shaft support in T-shape and linear shafts

Application example: shaft flange

Application example: shaft holder with guide flange

Application example: block-shaped shaft support with slot clamping

Supplementary article

Cylindrical pins/tension pins/offset pins

Industrial applications

3D printer industry

Automotive industry

Pharmaceutical industry

Packaging industry

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Part Number
SSTHC8-MB

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Hole Dia. D (mm)	Material	Surface Treatment	Flange Shape Type	Flange Shape	MB (With Hex Socket Set Screw)	Mounting Hole Type	Set Screw M (Coarse)
	19.50 €	1	Available	7 Days	10	8	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	Standard	Compact Flanged	Provided	Through Hole	3

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Technical Drawing

Specification Tables

Part Number							Sleeve Thickness (N)	L	L₁	D₁	H	T	ℓ	ℓ₁	M (Coarse)	P	K	W	P₁	F	d₁	M1 (Coarse)
Type			D_H7
Standard - Through Mounting Holes				3		+0.010 0	2.5	10	-	8	22	3	7	-	M3	15	16	8	15	-	3.5	-
Round Flanged STHRB STHR SSTHR ATHR	Square Flanged STHSB STHS SSTHS ATHS	Compact Flanged STHCB STHC SSTHC ATHC		4		+0.012 0		10		9	24	3	7			17	19	9	17
				5				12		10	25	3.5	7			18	20	10	18
				6			3	15		12	28	3.5	7			20	22	12	20
				8		+0.015 0	2	16		12	28	5	10			20	22	16	20
			8M		^*2										M4						4.5	M4
				10				20		14	30		12		M3	22	23	18	22		3.5	-
			10M		^*2										M4						4.5	M4
Standard Type with Tapped Mounting Holes (Only for D dimension denoted with ^*2 mark)			^*112		^*2	+0.018 0		24	30	16	36	6	15	15	M4	26	28	20	26		4.5	M4
STHRBT STHRT SSTHRT		STHCBT STHCT SSTHCT		13			2.5		-	18	38			-		28	30	22	28
				15	^*2			30		20	40		18			30	32	24	30
			^*116		^*2		3	32	48	22	42		19	16		32	33	26	28	16
				18			5	32	-	28	50	8	20	-	M5	39	39	32	31	22	5.5	M5
			^*120		^*2	+0.021 0	4	32	48	28	50	8	20	16		39	39	32	31	22
Long Sleeve Type (Only for D dimension denoted with ^*1 mark)			^*125		^*2			38	57	33	55	8	23	19		44	44	37	36	24
STHRBL STHRL SSTHRL	STHSBL STHSL SSTHSL	STHCBL STHCL SSTHCL	^*130		^*2					38	66	10	24	19	M6	52	52	42	41	27	6.6	M6
				35		+0.025 0	5	50	-	45	80	10	30	-		65	65	55	56	33	9	M8
				40			10			60	90	10				75	75	65	65	38
				50						70	100	10				85	90	75	74	43

Tapped Mounting Hole Type is available only for D dimension denoted with ^*2 mark. Long Sleeve Type is available only for D dimension denoted with ^*1 mark. Only EN 1.0038 Equiv. and EN 1.4301 Equiv. are applicable to D dimension 8M and 10M (EN AW-6061 Equiv. is not applicable).

Alterations

Products homepage

Basic information

Shape	Flange Type	Shaft Mounting Method	Set Screw	Type	Machined Products
Thickness	Standard	Dowel Holes	Not Provided	Clamping Lever	Not Provided

This page is Shaft holders / round flange, square flange, two-sided flattened round flange / one-piece, part number SSTHC8-MB.
You can find the detail information about specifications and dimensions on part number SSTHC8-MB.

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Basic Attributes

Type
- ATHC
- ATHR
- ATHS
- BTHC
- BTHR
- SSTHC
- SSTHCL
- SSTHCT
- SSTHR
- SSTHRL
- SSTHRT
- SSTHS
- SSTHSL
- STHC
- STHCB
- STHCBL
- STHCBT
- STHCL
- STHCT
- STHR
- STHRB
- STHRBL
- STHRBT
- STHRL
- STHRT
- STHS
- STHSB
- STHSBL
- STHSL
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Hole Dia. D(mm)
3

4

5

6

8

10

12

13

15

16

18

20

25

30

35

40

50
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Material
- Steel
  - General Structural Steel
- Stainless Steel
  - EN 1.4301 Equiv.
- Aluminum
  - EN AW-6061 Equiv.
  - Aluminum Alloy 6000 series
Clear
Surface Treatment
- Not Provided
- Black Oxide
- Electroless Nickel Plating
- Black Anodized Aluminum
- Clear Anodized Aluminum
Clear
Flange Shape Type
- Standard
- Long Sleeve
Clear
Flange Shape
- Compact Flanged
- Round Flanged
- Square Flanged
Clear
MB (With Hex Socket Set Screw)
- Not Provided
- Provided
Clear
Mounting Hole Type
- Tapped Hole
- Through Hole
Clear
Set Screw M (Coarse)
- 3
- 4
- 5
- 6
Clear
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Optional Attributes

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Variation of this product

Part Number
ATHC12-MB
ATHC13
ATHC13-MB
SSTHC8M
SSTHC8M-MB
SSTHCL12

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Hole Dia. D (mm)	Material	Surface Treatment	Flange Shape Type	Flange Shape	MB (With Hex Socket Set Screw)	Mounting Hole Type	Set Screw M (Coarse)
23.19 €	1	Available	7 Days	10	12	[Aluminum] Aluminum Alloy 6000 series	Clear Anodized Aluminum	Standard	Compact Flanged	Provided	Through Hole	4
21.22 €	1	Available	5 Days	10	13	[Aluminum] Aluminum Alloy 6000 series	Clear Anodized Aluminum	Standard	Compact Flanged	Not Provided	Through Hole	-
24.79 €	1	Available	7 Days	10	13	[Aluminum] Aluminum Alloy 6000 series	Clear Anodized Aluminum	Standard	Compact Flanged	Provided	Through Hole	4
19.21 €	1	Available	5 Days	10	8	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	Standard	Compact Flanged	Not Provided	Through Hole	-
19.50 €	1	Available	7 Days	10	8	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	Standard	Compact Flanged	Provided	Through Hole	4
32.08 €	1	Available	5 Days	10	12	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	Long Sleeve	Compact Flanged	Not Provided	Through Hole	-