Description

Timken®, C-8851-A, Spherical Roller Bearing, Straight Bore, Series: 230, 500 mm Bore, 720 mm OD, 2 Rows, 248 mm Width, Open Closure, 965000 lb Dynamic/1840000 lb Static Load, Steel Bearing, Brass Cage, -65 to 392 deg F, Polished Chrome

Features:

• Enhanced roller and race surface finishes to improve lube film and reduce operating temperatures
• Longer rollers due to no center guide ring results in industry leading load ratings
• Lubricated to last a five year rebuild cycle lowering maintenance costs and improving uptime
• C0 radial internal clearance
• Run at consistently lower temperatures than same size competitive bearings for greater reliability
• Multiple cage designs including a wide range of both steel and brass and help reduce stress at high shock loads or speeds and provide strong contaminant purge
• Optimized internal geometries deliver the highest load and speed ratings in the industry

Applications:

For mining dragline application

Bearing Material	Steel
Bore Diameter	500 mm
Cage Material	Brass
Closure Type	Open
Finish	Polished Chrome
Load Capacity	965000 lb Dynamic/1840000 lb Static
Number of Rows	2
Outside Diameter	720 mm
Series	230
Temperature Rating	-65 to 392 deg F
Type	Straight Bore
Width	248 mm
Manufacturer	TIMKEN CO