BEARING-MALAYCYA SDN.BHD.

KOYO 363 Bearing

 

ISO Bearings

A word of caution, regarding IRC for those selecting ISO deep groove ball, cylindrical roller, and spherical roller bearings, is the “Normal” IRC shown in the tables for these bearings is not sufficient for these bearings if the bearing employs a “heavy” shaft fit. A heavy fit in most cases requires a “C3” IRC as a bearing with a “Normal” IRC could be too tight. A light to medium fit with a relatively high operating speed that generates heat also requires a “C3” IRC. If both a heavy fit is used along with a high speed, a “C4” IRC is typically required. Very few bearings with “Normal” IRC are used or stocked, with “C3” bearings being the most popular. For complicated applications, we recommend that users of our bearings contact our sales department for specific fitting and clearance recommendations.

Standard Internal Radial Clearance values for deep groove ball, cylindrical roller, and spherical roller bearings are found in Tables XV through XXII. Please note that there are different standards for metric deep groove ball bearings and inch ball bearings, as well as ISO cylindrical roller bearings and domestic cylindrical roller bearings. Also, the IRC values differ for straight bore bearings versus bearings with a tapered bore. There are no standards for tapered roller bearings. “Clearance” values for these bearings are expressed axially as “lateral” or “Bench End Play” (BEP) and are designed and specified for each application.

Toyana NJ2952 cylindrical roller bearings
Toyana NJ2952 cylindrical roller bearings
Normal Duty
Setscrew Ball Bearing
Toyana 7314 A-UX angular contact ball bearings
Toyana 7314 A-UX angular contact ball bearings
Normal Duty
Setscrew Ball Bearing
Toyana K42x47x27 needle roller bearings
Toyana K42x47x27 needle roller bearings
Intermediate Duty
Setscrew Ball Bearing
Toyana UCFL208 bearing units
Toyana UCFL208 bearing units
Normal Duty
Setscrew Ball Bearing
Toyana NJ10/800 cylindrical roller bearings
Toyana NJ10/800 cylindrical roller bearings
Normal Duty
Grip Tight Ball Bearing
Toyana 6024 ZZ deep groove ball bearings
Toyana 6024 ZZ deep groove ball bearings
Normal Duty
Setscrew Ball Bearing
Toyana L433749/10 tapered roller bearings
Toyana L433749/10 tapered roller bearings
Normal Duty
Setscrew Ball Bearing
Toyana 7412 A-UO angular contact ball bearings
Toyana 7412 A-UO angular contact ball bearings
Normal Duty
Setscrew Ball Bearing
Toyana UCF305 bearing units
Toyana UCF305 bearing units
Normal Duty
Setscrew Ball Bearing
Toyana 239/600 CW33 spherical roller bearings
Toyana 239/600 CW33 spherical roller bearings
Intermediate Duty
Eccentric Collar Ball Bearing
Toyana NA6918 needle roller bearings
Toyana NA6918 needle roller bearings
Normal Duty
Setscrew Ball Bearing
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