Image is for illustration purposes only.
30311-90KM1
The 30311-90KM1 is a metric tapered roller bearing assembly featuring a 55 mm tapered bore (1:12 taper) in the ISO 355 standard 303 series. This matched bearing assembly is supplied as a complete unit with cone and cup components for simplified installation.
Tapered roller bearings are designed to support combined radial and axial loads, commonly used in automotive wheel hubs, gearboxes, industrial transmissions, and heavy machinery applications where both load types are present.
30311-90KM1 TRB Metric Assembly 4-8 OD
For large orders ($2000+) please inquire by email.
Measurement Type
Metric
Inner Diameter (ID)
55 mm
Outside Diameter (OD)
120 mm
Width
31.5 mm
Sealing
Open
Precision Class
ISO P0
Arrangement
Matched bearing assembly
Series
303
Bearing Type
Tapered roller bearing
Other Features
Single Row | Tapered Roller Bearing
Component
Assembly
Assembly Components
X30311_K0N01 (1) | Y30311R_K0N01 (1)
Assembly Number
90KM1
Number of Tapered Rows
1
Weight (kg)
1.63
Basic Number
30311
UNSPSC
31171516
