WD Bearing Group
WD Bearings America LLC
5845 W 82nd Street, Suite 102,
Indianapolis, IN 46278.
Tel: +1 317 661 3293
Email: Contact@wd-bearing.com
WD Waelzlager GmBH
Ost Strasse 74A 40724,
Hilden, Germany
Tel: +49 2103 968 6352
Email: Contact@wd-bearing.com
WD Bearing Group
No. 100, Zhenyang Road,
Jiangyin, Wuxi, P.R China, 214401
Tel: 0510-8655 7067
Fax: 0510-8655 7065
Email: Contact@wd-bearing.com
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Spherical Roller Bearings CCK Series
Spherical Roller Bearings CCK Series Diagram
Unit of Measure
Items Spherical Roller Bearings EK Series Diagram
22205EK 		Spherical Roller Bearings EK Series Diagram
22206EK 		Spherical Roller Bearings CCK Series
21306CCK 		Spherical Roller Bearings EK Series Diagram
22207EK 		Spherical Roller Bearings CCK Series
21307CCK
Type N/A Spherical
Bore Type N/A Tapered
Bore Diameter N/A 25 mm N/A 30 mm N/A 30 mm N/A 35 mm N/A 35 mm
Outside Diameter N/A 52 mm N/A 62 mm N/A 72 mm N/A 72 mm N/A 80 mm
Overall Bearing Width N/A 18 mm N/A 20 mm N/A 19 mm N/A 23 mm N/A 21 mm
Dimension r N/A 1 mm N/A 1 mm N/A 1.1 mm N/A 1.5 mm N/A 1.5 mm
Dynamic (Cr) Basic Load Rating N/A 49.9 kN N/A 66.1 kN N/A 67.5 kN N/A 88.8 kN N/A 79.2 kN
Static (Cor) Basic Load Rating N/A 44 kN N/A 60 kN N/A 61 kN N/A 85 kN N/A 72 kN
Grease Limiting Speed N/A 13000 rpm N/A 10000 rpm N/A 8200 rpm N/A 9000 rpm N/A 7300 rpm
Oil Limiting Speed N/A 17000 rpm N/A 14000 rpm N/A 10000 rpm N/A 12000 rpm N/A 9500 rpm
Mass N/A 0.26 kg N/A 0.29 kg N/A 0.41 kg N/A 0.45 kg N/A 0.55 kg
Minimum Dimension da N/A 30.6 mm N/A 35.6 mm N/A 37 mm N/A 42 mm N/A 44 mm
Maximum Dimension Da   N/A 46.4 mm N/A 56.4 mm N/A 65 mm N/A 65 mm N/A 71 mm
Maximum Dimension ra N/A 1 mm N/A 1 mm N/A 1 mm N/A 1 mm N/A 1.5 mm
Dimension e N/A 0.35 mm N/A 0.31 mm N/A 0.27 mm N/A 0.31 mm N/A 0.28 mm
Dimension Y1 N/A 1.9 mm N/A 2.2 mm N/A 2.5 mm N/A 2.2 mm N/A 2.4 mm
Dimension Y2 N/A 2.9 mm N/A 3.3 mm N/A 3.7 mm N/A 3.3 mm N/A 3.6 mm
Dimension Y0 N/A 1.8 mm N/A 2.2 mm N/A 2.5 mm N/A 2.2 mm N/A 2.5 mm