The single row tapered roller bearing is available in metric dimensions (ISO 355 and JIS B 1512 standards) and in inches (ABMA standard, metric series including J). The single row in tapered roller bearing range, is the most widely used and is generally mounted in opposition.
Brand NTN
d - Internal diameter 170 mm
D - External diameter 260 mm
B - Bearing/Inner ring width 57 mm
C - Outer ring width 43 mm
ex-stock subject to prior sales otherwise 6-8 months