d	63.906 - mm	Bearing inner diameter
D	71.831 - mm	Bearing outer diameter
B	23.012 - mm	Bearing thickness
Cr	Dynamic load
Cor	Static load
Fatigue load	Fatigue load
Reference speed	Reference speed
Limit speed	Limit speed

99251 bushing is used in: packaging machinery, textile machinery, mining machinery, metallurgical machinery, printing machinery, tobacco machinery, forging machinery, all kinds of machine tools and interchangeable machinery. For example: pulley, sprocket, gear, propeller, large fan and other connections; Features: large torque, high precision, convenient and fast assembly and disassembly, simple operation, good positioning, reducing the scrap rate of matched shaft and hub, reusable and not damaging the matching surface. It is an ideal and economic choice at present.