Linear Bearings

Linear bearings are designed to provide a free motion in one direction and are the most common type of linear slide, offering a smooth precision motion along a single axis linear design. Most commonly used within the furniture industry as a ball-bearing drawer slide.

Linear plain bearings are bearing elements for translation type motion (motion along a path). Unlike roller bearings, linear plain bearings move on a shaft or static guideway, as opposed to on movable component slides. Depending on the type of guiding system, the sliding layer is applied to the rigid or movable component.

RS Components have a great range of linear bearings ideal for most mechanical power transmission applications.

How do Linear Motion Bearings Work?

Linear Ball Bearings are housed in a linear base, with self-lubrication properties that increase reliability. Most commonly constructed from materials such as aluminium, steel and the ball bearing slides consist of two linear rows of ball bearings contained by four rods and on differing sides of the base. This low friction linear movement can be powered by either a drive mechanism or by hand.Linear plain bearings are available in a wide range of sizes and material types, suited to different applications. They come in three main configurations: closed, open and split.

Applications for Linear Bearings

Ball-bearing slide applications include delicate instrumentation, robotic assembly, cabinetry, appliances and clean room environments, which primarily serve the manufacturing industry but also the furniture, electronics and construction industries.

Linear plain bearings are resistant to shock and contamination. They offer high static load capacity and low wear and make little noise. These characteristics make them suitable for applications where the bearing position must be low maintenance or maintenance-free, or where lubrication is either impermissible or undesirable. They are found in everyday applications including:

  • Printers
  • Lab equipment
  • Thermoperformance
  • Additive manufacturing
  • Welding machines
  • Stone saws and heavy-duty cutters
  • Assembly and inspection stations
  • Seat adjustment and shock absorption

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Description Price Inner Diameter Linear Ball Bearing Type Linear Bearing Type Base to Centre Height Seals Inside Diameter Outside Diameter Length Dynamic Load Rating Static Load Rating
RS Stock No. 194-7183
Mfr. Part No.KGSNOS12-PP-AS
BrandINA
HK$977.98
Each
units
- Open Linear Ball Bearing 18mm With Seals 12mm - 32mm 900N 1100N
RS Stock No. 311-3519
Mfr. Part No.RJUM-03-12
BrandIgus
HK$141.78
Each
units
- - Linear Plain Bearing - - 12mm 21.8mm 31.9mm 960N 6720N
RS Stock No. 194-7187
Mfr. Part No.KGSNOS30-PP-AS
BrandINA
HK$1,770.65
Each
units
- Open Linear Ball Bearing 35mm With Seals 30mm - 68mm 5900N 6000N
RS Stock No. 172-1212
Mfr. Part No.KB16-PP
BrandINA
HK$507.83
Each
units
- Closed Linear Ball Bearing - With Seals 16mm 26mm 36mm 840N 780N
RS Stock No. 712-5008
Mfr. Part No.ESTM-08-SL
BrandIgus
HK$27.35
Each
units
- - Replacement Liners - - 8mm - 19mm - -
RS Stock No. 194-7168
Mfr. Part No.KGBAO40-PP-AS
BrandINA
HK$2,692.18
Each
units
- Open Linear Ball Bearing 45mm With Seals 40mm - 80mm 6100N 4600N
RS Stock No. 194-7223
Mfr. Part No.KSO12-PP
BrandINA
HK$477.54
Each
units
- Open Linear Ball Bearing - With Seals 12mm 22mm 32mm 900N 1100N
RS Stock No. 172-1287
Mfr. Part No.KS12-PP
BrandINA
HK$488.19
Each
units
- Closed Linear Ball Bearing - With Seals 12mm 22mm 32mm 900N 1100N
RS Stock No. 308-0964
Mfr. Part No.LPAR 20
HK$439.06
Each
units
- - Linear Plain Bearing - - 20mm 32mm 45mm 2400N 8300N
RS Stock No. 489-3979
Mfr. Part No.R060230510
HK$227.31
Each
units
- Closed Linear Ball Bearing - With Seals 5mm 12mm 22mm 210N 200N
RS Stock No. 243-8053
Mfr. Part No.FMC08
BrandPacific
HK$191.79
Each
units
- - Linear Plain Bearing - - 8mm 16mm 25mm - -
RS Stock No. 194-7190
Mfr. Part No.KH14-B
BrandINA
HK$152.94
Each
units
- Closed Linear Ball Bearing - Without Seals 14mm 21mm 28mm 830N 760N
RS Stock No. 712-5030
Mfr. Part No.RJ260UM-02-25
BrandIgus
HK$149.69
Each
units
- - Linear Plain Bearing - - 25mm 35mm 40mm 1250N 8750N
RS Stock No. 409-353
Mfr. Part No.R067021240
HK$274.18
Each
units
- Closed Linear Ball Bearing - With Seals 12mm 22mm 32mm 1140N 620N
RS Stock No. 172-1235
Mfr. Part No.KBS25-PP-AS
BrandINA
HK$847.83
Each
units
- Closed Linear Ball Bearing - With Seals 25mm 40mm 58mm 2950N 2850N
RS Stock No. 409-422
Mfr. Part No.R065821630
HK$325.48
Each
units
- Closed Linear Ball Bearing - With Seals 16mm 24mm 30mm 780N 580N
RS Stock No. 172-1299
Mfr. Part No.KSO50-PP
BrandINA
HK$2,385.65
Each
units
- Open Linear Ball Bearing - With Seals 50mm 75mm 100mm 15100N 13900N
RS Stock No. 217-9754
Mfr. Part No.FMCN20
BrandPacific
HK$354.28
Each
units
- - Linear Plain Bearing - - 20mm 32mm 45mm - -
RS Stock No. 423-2346
Mfr. Part No.LBHT 25 A-2LS
HK$912.88
Each
units
- Open Linear Ball Bearing - Without Seals 25mm 40mm 58mm 4900N 5100N
RS Stock No. 712-5011
Mfr. Part No.SAM-08
BrandIgus
HK$32.21
Each
units
- - Linear Plain Bearing - - 8.2mm 20mm 6.8mm - 4000N