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- Phone(Nonworking Time)91-33-46031129
ISO Bearings
Contact NowA 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.
Bearing Number | Bore Dia | Outer DIa | Width | Size |
---|---|---|---|---|
40 mm x 80 mm x 18 mm ISO 1208K+H208 self aligning ball bearings | Normal Duty | Eccentric Collar Ball Bearing | 204 Series | Zinc |
70 mm x 150 mm x 35 mm ISO NP314 cylindrical roller bearings | Normal Duty | Eccentric Collar Ball Bearing | 205 Series | Zinc |
139,7 mm x 180,975 mm x 20,638 mm ISO LL428349/10 tapered roller bearings | Intermediate Duty | Setscrew Ball Bearing | 207 Series | Cast Iron |
ISO 7007 BDT angular contact ball bearings | Normal Duty | Setscrew Ball Bearing | 206 Series | Cast Iron |
140 mm x 360 mm x 82 mm ISO NF428 cylindrical roller bearings | Intermediate Duty | Setscrew Ball Bearing | 207 Series | Zinc |
ISO NK105/26 needle roller bearings | Intermediate Duty | Setscrew Ball Bearing | 207 Series | Zinc |
ISO UCTX09 bearing units | Intermediate Duty | Setscrew Ball Bearing | 207 Series | Zinc |
ISO 7010 ADB angular contact ball bearings | Intermediate Duty | Setscrew Ball Bearing | 207 Series | Zinc |
30 mm x 47 mm x 22 mm ISO GE 030 ES plain bearings | Intermediate Duty | Setscrew Ball Bearing | 207 Series | Zinc |
85 mm x 110 mm x 13 mm ISO 61817 ZZ deep groove ball bearings | Intermediate Duty | Setscrew Ball Bearing | 205 Series | Zinc |
75 mm x 160 mm x 37 mm ISO 6315-2RS deep groove ball bearings | Intermediate Duty | Eccentric Collar Ball Bearing | 207 Series | Cast Iron |
ISO 29268 M thrust roller bearings | Medium Duty | D-Lock Ball Bearing | 208 Series | Cast Iron |