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SMA-AJ Linear Bearing Pillow Block
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ISUTAMI BEARINGS

SMA-AJ Linear Bearing Pillow Block

SMA-AJ Linear Bearing Pillow Block
ISUTAMI SMA-AJ adjustment linear bearing pillow block, also known as SMA-AJ adjustment linear bearing unit, SMA-AJ adjustment linear slide unit or SMA-AJ adjustment linear case housing (unit), is applicable to Asian market. AJ is an abbreviation for adjustment. This model consists of a clearance-adjusting aluminum housing, with 4 fixing holes and matches LM-AJ adjustment linear bearing. The unit has a screw and screw hole for adjusting the aluminum block. There are also two rubber seals (UU) at both ends of the linear bearing to prevent debris or ball bearing contamination. In addition, the aluminum casing is used because it is small and light, and has strong corrosion resistance.
SMA-AJ Linear Bearing Pillow Block
ISUTAMI SMA-AJ adjustment linear bearing pillow block, also known as SMA-AJ adjustment linear bearing unit, SMA-AJ adjustment linear slide unit or SMA-AJ adjustment linear case housing (unit), is applicable to Asian market. AJ is an abbreviation for adjustment. This model consists of a clearance-adjusting aluminum housing, with 4 fixing holes and matches LM-AJ adjustment linear bearing. The unit has a screw and screw hole for adjusting the aluminum block. There are also two rubber seals (UU) at both ends of the linear bearing to prevent debris or ball bearing contamination. In addition, the aluminum casing is used because it is small and light, and has strong corrosion resistance.

SMA-AJ Linear Bearing Pillow Block Size Chart

SMA-AJ Linear Bearing Pillow Block

Bearing No. Shaft
Diameter
Main Dimensions Mounting Dimensions Weight
(Kg)
H E W L F G T B C K S1 S2 l
SMA8AJ 8 11 17 34 30 22 18 6 24 18 5 M4 3 8 0.052
SMA10AJ 10 13 20 40 35 26 21 8 28 21 6 M5 4 12 0.092
SMA12AJ 12 15 21 42 36 28 24 8 30.5 26 5.75 M5 4 12 0.102
SMA13AJ 13 15 22 44 39 30 24.5 8 33 26 5.5 M5 4 12 0.120
SMA16AJ 16 19 25 50 44 38.5 32.5 9 36 34 7 M5 4 12 0.200
SMA20AJ 20 21 27 54 50 41 35 11 40 40 7 M6 5 12 0.255
SMA25AJ 25 26 38 76 67 51.5 42 12 54 50 11 M8 7 18 0.600
SMA30AJ 30 30 39 78 72 60 49 15 58 58 10 M8 7 18 0.735
SMA35AJ 35 34 45 90 80 68 54 18 70 60 10 M8 7 18 1.100
SMA40AJ 40 40 51 102 90 78 62 20 80 60 11 M10 8.7 25 1.590
SMA50AJ 50 52 61 122 110 102 80 25 100 80 11 M10 8.7 25 3.340
SMA60AJ 60 58 66 132 122 114 94 30 108 90 12 M12 10.7 25 4.720
Remarks: SMA-AJ ues the LM…AJ series bearing.

SMA-AJ Linear Bearing Pillow Block Features

The SMA-AJ linear pillow block is a single-length Asian metric version with adjustable clearance. LM-AJ adjustment linear bearing is mounted in the case. The SMA-AJ series linear bearing is easier to be installed on a linear shaft because of its lightly adjustable characteristics, saving time. The advantages of the bushing with clearance also include less tilt or friction, less wear over time, and better machining results.

If you are manufacturing a CNC milling machine, milling machine or lathe that requires precise linear motion, it is a perfect solution to install this aluminum bearing housing with LM-AJ linear bearings. Aluminum housing size range: length (L) range is 30-122mm; width (W) range is 34-132mm; height (F) range is 22-144; minimum combination size: SMA8AJ size is 30*34*22mm, maximum size SMA60AJ: the combined size is 122*132*144mm. The product size error is between±0.02mm. These data are identical to SMA standard linear bearing pillow block. The aluminum housing has four CNC drilled, threaded and countersunk holes of the same size from M4 to M12, which can be easily and safely mounted to almost any machine.

A typical CNC system consists of a linear shaft of matching diameter, ranging from 8 to 60 mm in diameter, mounted on both ends of the shaft by two end supports, and the bearing housing with clearance-adjustable linear bearings runs straight along the shaft. Most CNC machines have two such components mounted side-by-side, using a housing as a stand to support the mobile platform. The housing can be mounted from above or below, making it easy to install into the intended system. Positioning and accuracy enhancement are facilitated by being used as a side aspect of the datum. The extruded aluminum housing is subjected to sufficient extrusion and heat treatment to create a compact, lightweight and precision product.

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