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SKF - Rolling Bearings

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Bearing data<br />

Double row angular contact ball bearings<br />

Boundary dimensions:<br />

ISO 15, except for the width of bearing 3200 A<br />

Snap rings and grooves: ISO 464,<br />

(† table 4, page 488)<br />

Four-point contact ball bearings<br />

Boundary dimensions:<br />

ISO 15<br />

Locating slots: ISO 20515,<br />

(† table 3, page 484)<br />

3<br />

Normal<br />

<strong>SKF</strong> Explorer and <strong>SKF</strong> E2 bearings,<br />

33 DNRCBM series<br />

P6<br />

Normal<br />

P6 on request<br />

<strong>SKF</strong> Explorer<br />

P6 and width tolerance reduced<br />

to 0/–40 µm<br />

32 A and 33 A series: 30°<br />

33 D series: 45°<br />

33 DNRCBM series: 40°<br />

Normal<br />

Availability: C3 († matrix 2, page 501);<br />

for C2 or C4 contact <strong>SKF</strong><br />

Values: († table 7, page 489)<br />

35°<br />

Normal<br />

Check availability of C2, C3, C4 or reduced<br />

ranges of standard clearance classes<br />

Values: ISO 5753-2, († table 8, page 490)<br />

– –<br />

≈ 2 minutes of arc<br />

≈ 2 minutes of arc<br />

… bearing. As a result, only approximate values are listed here. Any misalignment increases<br />

bearing noise and reduces bearing service life.<br />

... available online at skf.com/bearingcalculator.<br />

... available online at skf.com/bearingcalculator.<br />

487

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