Kaydon Reali-Slim Thin Section Bearings · KC Series
KC042AR0 Thin Section Bearing
KC042AR0 Kaydon Reali-Slim thin section bearing with bore, outside diameter, section size, series and inquiry information.
Ask for price, lead time and equivalent bearing options.
KC042AR0 Open Thin Section Bearing Photo
Real photo of an open thin section bearing for quick visual confirmation.
Product Introduction
KC042AR0 is a Kaydon Reali-Slim thin section bearing. This series is used when compact bearing cross-section, low weight and large bore diameter are required.
Main size: bore 4.2 in / 106.7 mm, outside diameter 4.95 in / 125.7 mm, section 0.375 x 0.375 in / 9.52 x 9.52 mm.
Load ratings: dynamic radial 1,194 lb / 5311 N; ISO radial 2,580 lb / 11476 N; thrust 2,880 lb / 12811 N; static radial 2,710 lb / 12055 N; thrust 7,820 lb / 34785 N.
Type A is angular contact, Type C is radial contact, and Type X is four-point contact.
Confirm the original model, load direction, speed, accuracy and installation space before selection.
Thin section bearing construction diagram
The exact dimensions for this model are listed in the specification table below. This image shows the Type A, C or X construction.
d=4.2 in / 106.7 mmD=4.95 in / 125.7 mmB=0.375 x 0.375 in / 9.52 x 9.52 mm
Specifications
| Brand | Kaydon Reali-Slim Thin Section Bearings |
|---|---|
| Series | KC |
| Model | KC042AR0 |
| Bore diameter | 4.2 in / 106.7 mm |
| Outer diameter | 4.95 in / 125.7 mm |
| Width | 0.375 x 0.375 in / 9.52 x 9.52 mm |
| Dynamic load rating C | radial 1,194 lb / 5311 N; ISO radial 2,580 lb / 11476 N; thrust 2,880 lb / 12811 N |
| Static load rating C0 | radial 2,710 lb / 12055 N; thrust 7,820 lb / 34785 N |
| Mass | 0.46 lb / 0.209 kg |
| Feature | Type A, Angular contact Reali-Slim thin section ball bearing |
Application and Selection Notes
KC042AR0 belongs to the Kaydon Reali-Slim KC series. It is typically reviewed where a thin section bearing with large bore and compact weight is required.
Check bore 4.2 in / 106.7 mm, outside diameter 4.95 in / 125.7 mm and section size 0.375 x 0.375 in / 9.52 x 9.52 mm against the mounting space.
Confirm whether the application needs angular contact, radial contact or four-point contact bearing behavior before replacement.
Series type：Kaydon Reali-Slim KC series thin section bearing
Before Requesting a Quote
Original model or equivalent target
Quantity and expected delivery time
Bearing type, clearance, precision and material requirements
Drawing, application or working load if available
Common Questions
What type of bearing is KC042AR0?
KC042AR0 is a thin section bearing. Confirm whether angular contact, radial contact or four-point contact behavior is required.
Can KC042AR0 be replaced with another brand?
Yes. Provide the original part number, drawing or key dimensions so fit, bearing type and accuracy can be checked.
What are the load ratings of KC042AR0?
The dynamic load rating is radial 1,194 lb / 5311 N; ISO radial 2,580 lb / 11476 N; thrust 2,880 lb / 12811 N and the static load rating is radial 2,710 lb / 12055 N; thrust 7,820 lb / 34785 N. Final selection must consider the actual load direction and duty cycle.
What should be checked before ordering KC042AR0?
Confirm bore, outer diameter, width, bearing type, accuracy, clearance, preload and installation method before ordering this Thin Section Bearing.
Related Models
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Model Search
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Applications
Industrial robotsCNC rotary tablesMedical imaging systemsOptical inspection equipmentPrecision reducers
Request a Quote: KC042AR0
Send the Kaydon Reali-Slim model, quantity, bearing type, accuracy, clearance and application requirements. We will reply with replacement options, price and lead time.
