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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Taper Roller Bearings
Taper Roller Bearings Diagram
Unit of Measure
1 2 3 4 

Item #

Bore Diameter (d)

Outside Diameter (D)

Dynamic (Cr) Load Rating

Static (Cor) Load Rating

CAD

A4050 N/A 0.5000 in N/A 1.3775 in N/A 19300 kN N/A 17100 kN N/A
L21549 N/A 0.6250 in N/A 1.3775 in N/A 14100 kN N/A 13900 kN N/A
11590 N/A 0.6250 in N/A 1.6875 in N/A 17400 kN N/A 17400 kN N/A
LM11749 N/A 0.6875 in N/A 1.5700 in N/A 22900 kN N/A 23400 kN N/A
LM11949 N/A 0.7500 in N/A 1.7810 in N/A 30600 kN N/A 32000 kN N/A
09067 N/A 0.7500 in N/A 1.9380 in N/A 39700 kN N/A 40500 kN N/A
M12649 N/A 0.8347 in N/A 1.9687 in N/A 40800 kN N/A 43500 kN N/A
LM12749 N/A 0.8656 in N/A 1.7810 in1.8100 in N/A 30200 kN N/A 35300 kN N/A
1280 N/A 0.8750 in N/A 2.2500 in N/A 51200 kN N/A 55100 kN N/A
L44643 N/A 1.0000 in N/A 1.9800 in N/A 27800 kN N/A 32900 kN N/A
15578 N/A 1.0000 in N/A 2.2500 in N/A 42600 kN N/A 50100 kN N/A
02473 N/A 1.0000 in N/A 2.6875 in N/A 59100 kN N/A 70200 kN N/A
L44649 N/A 1.0625 in N/A 1.9800 in N/A 27800 kN N/A 32900 kN N/A
02474 N/A 1.1250 in N/A 2.6875 in N/A 59100 kN N/A 70200 kN N/A
L45449 N/A 1.1417 in N/A 1.9800 in N/A 27700 kN N/A 36200 kN N/A
15120 N/A 1.1895 in N/A 2.5000 in N/A 46800 kN N/A 53900 kN N/A
LM67048 N/A 1.2500 in N/A 2.3280 in2.4404 in N/A 36500 kN N/A 44600 kN N/A
15123 N/A 1.2500 in N/A 2.4409 in N/A 46800 kN N/A 53900 kN N/A
02475 N/A 1.2500 in N/A 2.6875 in N/A 59100 kN N/A 70200 kN N/A
14125A N/A 1.2500 in N/A 2.7170 in N/A 50600 kN N/A 61700 kN N/A
M88048 N/A 1.3125 in N/A 2.6875 in N/A 59600 kN N/A 77400 kN N/A
HM89443 N/A 1.3125 in N/A 3.0000 in N/A 86200 kN N/A 119000 kN N/A
LM48548 N/A 1.3750 in N/A 2.5625 in N/A 50500 kN N/A 63100 kN N/A
HM88649 N/A 1.3750 in N/A 2.8438 in N/A 71100 kN N/A 94200 kN N/A
25877 N/A 1.3750 in N/A 2.8750 in N/A 78800 kN N/A 97400 kN N/A
Unit of Measure
1 2 3 4