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KBA-S Linear Bearing Pillow Block
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ISUTAMI BEARINGS

KBA-S Linear Bearing Pillow Block

KBA-S Linear Bearing Pillow Block
ISUTAMI KBA-S short linear bearing pillow block, also known as KBA-S short linear bearing unit, KBA-S short linear slide unit or KBA-S short linear case housing (unit), is suitable products in the European market. S is an abbreviation for short. This model consists of a short aluminum housing with 2 fixing holes and a single matching KB standard linear bearing. Each end of the unit has a circlip. There are also two rubber seals (UU) at both ends of the linear bearing to prevent debris or ball bearing contamination. The housing is made of aluminum as it is small and lightweight as well as has strong corrosion resistance.
KBA-S Linear Bearing Pillow Block
ISUTAMI KBA-S short linear bearing pillow block, also known as KBA-S short linear bearing unit, KBA-S short linear slide unit or KBA-S short linear case housing (unit), is suitable products in the European market. S is an abbreviation for short. This model consists of a short aluminum housing with 2 fixing holes and a single matching KB standard linear bearing. Each end of the unit has a circlip. There are also two rubber seals (UU) at both ends of the linear bearing to prevent debris or ball bearing contamination. The housing is made of aluminum as it is small and lightweight as well as has strong corrosion resistance.

KBA-S Linear Bearing Pillow Block Size Chart

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Bearing No. Shaft
Diameter
Main Dimensions Mounting Dimensions Weight
(Kg)
H E W L F G T B C K S1 S2 l
KBA8S 8 11 17 34 14.5 22 18 6 24 7.25 5 M4 3.4 8 0.025
KBA10S 10 13 20 40 20 26 21 8 28 10 6 M5 4.3 12 0.053
KBA12S 13 15 22 44 20.9 30 25 8 33 10.45 5.5 M5 4.3 12 0.065
KBA16S 16 19 25 50 22.5 39 33 9 36 11.25 7 M5 4.3 12 0.100
KBA20S 20 21 27 54 29.1 41 35 11 40 14.55 7 M6 5.2 12 0.148
KBA25S 25 26 38 76 41.1 52 42 12 54 20.55 11 M8 7 18 0.368
KBA30S 30 30 39 78 49.1 60 49 15 58 14.55 10 M8 7 18 0.500
KBA40S 40 40 51 102 56.6 78 62 20 80 28.3 11 M10 8.7 25 1.000
KBA50S 50 52 61 122 72.6 102 80 25 100 36.3 11 M10 8.7 25 2.205
Remarks: KBA-S use the KB series bearing.

KBA-S Linear Bearing Pillow Block Features

The KBA-S short linear bearing housing is a closed, single-length European metric version that is fitted with a KB standard linear bearing. Advantages of linear bearing bushings include less tilt or friction, less wear over time, and better machining results. The KBA-S closed bearing design allows for cost reduction by using end support shafts.

If you are manufacturing CNC milling machines, milling machines or lathes that require precise linear motion, it is a perfect solution to install this short aluminum housing with KB standard linear bearings. Aluminum housing size range: length (L) ranges 14.5-69mm (supporting KB standard linear bearing length (L) ranges 25-100mm); width (W) ranges 34-122mm; height (F) ranges 22-102mm. The minimum combined size item SMA8S is 14.5*34*22mm, and the largest combined size item SMA50S is 69*122*102mm. The bearing data is basically the same as the SMA-S short linear bearing, except that the KBA-S has a diameter of 12mm and bearing housing for 35mm linear bearings. The aluminum housing has two CNC drilled holes, threaded holes and countersunk holes of the same size M4-M10, which can be easily and safely mounted to almost any linear motion system.

A typical CNC system consists of a linear shaft of matching diameter, with a diameter range of 8-50 mm, mounted on both ends of the shaft by two end supports, and the housing of the ultra-short linear bearing 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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