Needle Cage KT202820C3 20×28×20 mm High Carbon Steel C3 Tolerance Roller Diameter Precision Bearing for Linear Slide Unit Replacement and Machine Assemblies

Single needle cage bearing, 20×28×20 mm C3
✔️ ID 20 mm, OD 28 mm, width 20 mm, high carbon steel

This single bearing cage guides needle rollers in compact assemblies and is commonly used in linear slide units, machine tools, and precision mechanisms.

✅ Model KT202820C3, KT Series
✅ Material: high carbon steel, compact cage design for low radial space
✅ Roller tolerance: C3 for controlled diameter clearance and precision fit
✅ Dimensions: ID 20 mm (0.787 in), OD 28 mm (1.102 in), width 20 mm (0.787 in)
✅ Dynamic load capacity 21,500 N; static load capacity 24,200 N
✅ Maximum speed 25,000 rpm; temperature range -20 to 120 °C
✅ Weight ~27.2 g (0.060 lb); sold as a single unit, SKU 1911720

💡 What is a needle roller cage used for in linear slide units and precision machinery?

A needle roller cage keeps rollers spaced and aligned so motion stays smooth with minimal play.

- Ideal in linear slide unit and linear guide setups where narrow cross-sections demand compact bearings - Offers strong radial load support compared with sealed ball bearing options, handy when space is tight - Often chosen over ceramic or sealed ball bearing alternatives when cost, simple maintenance, and compact form are priorities