Our metric linear motion bearings, ideal for single-direction motion applications, are widely used in Europe. Offered in a wide variety of shaft shapes, these bearings are available in chrome or stainless steel with either a steel or resin retainer. The slide block housings are also available in several styles. These bearings contain internal seals (UU).

The KB series is available in standard, adjustable, or open style, which incorporates bottom plates and mounting screws to ensure the bushing remains in proper position.

Available Dimensions:

Shaft Diameter (dr): 8 mm to 80 mm

Outer Diameter (D): 16 mm to 120 mm

Length (L): 25 mm to 165 mm

Distance Between Retaining Rings (B): 16.5 mm to 133.7 mm

Retaining Ring Width (W): 1.1 mm to 4.15 mm

Retaining Ring Diameter (D1): 15.2 mm to 116 mm

Dynamic Load (C): 27 kgf to 750 kgf

Static Load (Co): 41 kgf to 1,630 kgf

Configuration: Open, standard and adjustable type are available.

Seal Type: Seals on both ends are available, as well as no seals.

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Item #

(dr) Shaft Diameter

(D) Outer Diameter

Length

Dist. Btwn Retaining Rings

(W) Retaining Ring Width

(D1) Retaining Ring Diameter

(C) Dynamic Load

(Co) Static Load

Configuration

Seal Type

KB 8 N/A 8 mm N/A 16 mm N/A 25 mm N/A 16.5 mm N/A 1.1 mm N/A 15.2 mm N/A 27 kgf N/A 41 kgf N/A Standard Type N/A No Seals
KB 8UU N/A 8 mm N/A 16 mm N/A 25 mm N/A 16.5 mm N/A 1.1 mm N/A 15.2 mm N/A 27 kgf N/A 41 kgf N/A Standard Type N/A Seals on Both Ends
KB 12 N/A 12 mm N/A 22 mm N/A 32 mm N/A 22.9 mm N/A 1.3 mm N/A 21 mm N/A 52 kgf N/A 79 kgf N/A Standard Type N/A No Seals
KB 12UU N/A 12 mm N/A 22 mm N/A 32 mm N/A 22.9 mm N/A 1.3 mm N/A 21 mm N/A 52 kgf N/A 79 kgf N/A Standard Type N/A Seals on Both Ends
KB 12-AJ N/A 12 mm N/A 22 mm N/A 32 mm N/A 22.9 mm N/A 1.3 mm N/A 21 mm N/A 52 kgf N/A 79 kgf N/A Adjustable Type N/A No Seals
KB 12UU-AJ N/A 12 mm N/A 22 mm N/A 32 mm N/A 22.9 mm N/A 1.3 mm N/A 21 mm N/A 52 kgf N/A 79 kgf N/A Adjustable Type N/A Seals on Both Ends
KB 12-OP N/A 12 mm N/A 22 mm N/A 32 mm N/A 22.9 mm N/A 1.3 mm N/A 21 mm N/A 52 kgf N/A 79 kgf N/A Open Type N/A No Seals
KB 12UU-OP N/A 12 mm N/A 22 mm N/A 32 mm N/A 22.9 mm N/A 1.3 mm N/A 21 mm N/A 52 kgf N/A 79 kgf N/A Open Type N/A Seals on Both Ends
KB 16 N/A 16 mm N/A 26 mm N/A 36 mm N/A 24.9 mm N/A 1.3 mm N/A 24.9 mm N/A 59 kgf N/A 91 kgf N/A Standard Type N/A No Seals
KB 16UU N/A 16 mm N/A 26 mm N/A 36 mm N/A 24.9 mm N/A 1.3 mm N/A 24.9 mm N/A 59 kgf N/A 91 kgf N/A Standard Type N/A Seals on Both Ends
KB 16-AJ N/A 16 mm N/A 26 mm N/A 36 mm N/A 24.9 mm N/A 1.3 mm N/A 24.9 mm N/A 59 kgf N/A 91 kgf N/A Adjustable Type N/A No Seals
KB 16UU-AJ N/A 16 mm N/A 26 mm N/A 36 mm N/A 24.9 mm N/A 1.3 mm N/A 24.9 mm N/A 59 kgf N/A 91 kgf N/A Adjustable Type N/A Seals on Both Ends
KB 16-OP N/A 16 mm N/A 26 mm N/A 36 mm N/A 24.9 mm N/A 1.3 mm N/A 24.9 mm N/A 59 kgf N/A 91 kgf N/A Open Type N/A No Seals
KB 16UU-OP N/A 16 mm N/A 26 mm N/A 36 mm N/A 24.9 mm N/A 1.3 mm N/A 24.9 mm N/A 59 kgf N/A 91 kgf N/A Open Type N/A Seals on Both Ends
KB 20 N/A 20 mm N/A 32 mm N/A 45 mm N/A 31.5 mm N/A 1.6 mm N/A 30.3 mm N/A 88 kgf N/A 140 kgf N/A Standard Type N/A No Seals
KB 20UU N/A 20 mm N/A 32 mm N/A 45 mm N/A 31.5 mm N/A 1.6 mm N/A 30.3 mm N/A 88 kgf N/A 140 kgf N/A Standard Type N/A Seals on Both Ends
KB 20-AJ N/A 20 mm N/A 32 mm N/A 45 mm N/A 31.5 mm N/A 1.6 mm N/A 30.3 mm N/A 88 kgf N/A 140 kgf N/A Adjustable Type N/A No Seals
KB 20UU-AJ N/A 20 mm N/A 32 mm N/A 45 mm N/A 31.5 mm N/A 1.6 mm N/A 30.3 mm N/A 88 kgf N/A 140 kgf N/A Adjustable Type N/A Seals on Both Ends
KB 20-OP N/A 20 mm N/A 32 mm N/A 45 mm N/A 31.5 mm N/A 1.6 mm N/A 30.3 mm N/A 88 kgf N/A 140 kgf N/A Open Type N/A No Seals
KB 20UU-OP N/A 20 mm N/A 32 mm N/A 45 mm N/A 31.5 mm N/A 1.6 mm N/A 30.3 mm N/A 88 kgf N/A 140 kgf N/A Open Type N/A Seals on Both Ends
KB 25 N/A 25 mm N/A 40.0 mm N/A 58 mm N/A 44.1 mm N/A 1.85 mm N/A 37.5 mm N/A 100 kgf N/A 160 kgf N/A Standard Type N/A No Seals
KB 25UU N/A 25 mm N/A 40.0 mm N/A 58 mm N/A 44.1 mm N/A 1.85 mm N/A 37.5 mm N/A 100 kgf N/A 160 kgf N/A Standard Type N/A Seals on Both Ends
KB 25-AJ N/A 25 mm N/A 40.0 mm N/A 58 mm N/A 44.1 mm N/A 1.85 mm N/A 37.5 mm N/A 100 kgf N/A 160 kgf N/A Adjustable Type N/A No Seals
KB 25UU-AJ N/A 25 mm N/A 40.0 mm N/A 58 mm N/A 44.1 mm N/A 1.85 mm N/A 37.5 mm N/A 100 kgf N/A 160 kgf N/A Adjustable Type N/A Seals on Both Ends
KB 25-OP N/A 25 mm N/A 40.0 mm N/A 58 mm N/A 44.1 mm N/A 1.85 mm N/A 37.5 mm N/A 100 kgf N/A 160 kgf N/A Open Type N/A No Seals
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