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Closed linear ball bushing bearing, 5/8 inch bore, stainless steel and polymer cage

Dayton

Dayton 2CNK2 Ball Bushing Bearing Closed 5/8 in Bore

SKU CH-G99E-VP1D8

Closed linear ball bearing with 5/8 in bore, 174 lbf dynamic and 265 lbf static load capacity, stainless steel construction, operating from -4 to 176 °F

  • Smooth linear motion with 5/8 in bore and 1 1/2 in length
  • Handles 174 lbf dynamic load for reliable performance
  • Supports 265 lbf static load for secure positioning
  • Operates from -4 to 176 °F in demanding environments
  • Precision tolerance of ± .001 in ensures accurate alignment

Product Identity

The Dayton 2CNK2 is a closed linear ball bushing bearing designed for inch-series motion systems. It suits engineers and maintenance teams who need a 5/8 in bore on hardened shafting. The stainless steel and polymer cage construction targets corrosion-prone or wash-down environments. Buyers who need a self-aligning bearing or a different bore size cannot use this part.

Decisive Specification

The inside diameter is 5/8 in with a tolerance of +/- 0.001 in, making shaft fit the single critical check. Dynamic load capacity is 174 lbf and static capacity is 265 lbf at a steady-state speed of 5000 in/min. If the application exceeds these loads or requires a larger bore, this bearing will not meet the requirement.

Thermal and Power Profile

Operating temperature range spans -4 Degrees F to 176 Degrees F, covering typical indoor and unheated shop conditions. The closed design retains lubricant and excludes contaminants, keeping friction and audible noise low during continuous linear travel. No external power is drawn; the bearing simply supports the moving load.

Highlights

  • Smooth linear motion with 5/8 in bore and 1 1/2 in length
  • Handles 174 lbf dynamic load for reliable performance
  • Supports 265 lbf static load for secure positioning
  • Operates from -4 to 176 °F in demanding environments
  • Precision tolerance of ± .001 in ensures accurate alignment

Specifications

No published specifications for this item yet.

Questions about this item

How does the 174 lbf dynamic load capacity translate to real use?

It means the bearing can handle up to 174 lbf of radial force while the shaft is moving continuously without reducing its expected service life.

What does the 5000 in/min steady state speed limit mean for my application?

It sets the maximum continuous linear speed; running faster can overheat the polymer cage and shorten bearing life.

What shaft tolerance does the ±0.001 in bore tolerance require?

The shaft should be manufactured to a matching tolerance band so the 5/8 in bore fits with the correct clearance for smooth linear motion.

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