MANUFACTURING BEARING INDONESIA
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  • Phone(Nonworking Time)91-44-3748-3614

ISO Bearings

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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.

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.

360 mm x 480 mm x 90 mm 360 mm x 480 mm x 90 mm ISO NN3972 cylindrical roller bearings

1020 kN 11000 kN
1.5 mm 4 mm

120 mm x 260 mm x 86 mm 120 mm x 260 mm x 86 mm ISO NU2324 cylindrical roller bearings

013992025982 12-19/32 in
36179 lbf Light Series

ISO 7310 CDF angular contact ball bearings

111 mm N/A
No Pilot 30,2 mm

160 mm x 260 mm x 135 mm 160 mm x 260 mm x 135 mm ISO GE160FO-2RS plain bearings

23.7 mm 86.8 mm
1.41 73.2 mm

400 mm x 500 mm x 75 mm 400 mm x 500 mm x 75 mm ISO N3880 cylindrical roller bearings

55,000 mm 400 mm x 500 mm x 75 mm
100,000 6211Z

190 mm x 240 mm x 50 mm 190 mm x 240 mm x 50 mm ISO NNCL4838 V cylindrical roller bearings

130 30326
1300 r/min 280

ISO 7000 BDB angular contact ball bearings

2.362 Inch | 60 Mill Thrust Ball Bearings
Roller Assembly Plus 0.12

70 mm x 185 mm x 78 mm 70 mm x 185 mm x 78 mm ISO UCFL314 bearing units

35 mm 89 mm
70 mm 224 kN

ISO QJ317 angular contact ball bearings

8 mm 628 ZZ
31000 r/min 8

ISO RNA6911 needle roller bearings

713690540 6020
VKBA 1488 SNR
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