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PTFE Lined Spherical Bearings

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Brand: Aurora Bearing Company

These special size Spherical Bearings are constructed using heat treated and hard chrome plated balls and hard alloy steel, PTFE lined races for unsurpassed strength and durability. These sizes are variations on the proven Aurora COM series.

Part No. 3073-8 is the replacement for the common "1243P" bearing used on some racing shocks, including the older non-adjustable Bilstein shocks on many older formula cars. (Not all shocks use this size so be sure to check yours.) The original bearing is a very low-strength, non-PTFE lined part with a non-hardened race. These quickly wear out and can ruin the performance of even the best shock absorber. Our replacement will give years of trouble-free service.

Special Size PTFE Lined Spherical Bearing Specifications
Part Number
Bore SizeOutside
Ball WidthRace WidthStatic Radial
Load Rating
Part Number
1243P* / 21CNZ0811/2"7/8".437".375"19,680 lb3073-8
LS10, RS105/8"1 9/16".875".687"36,050 lb3073-10

* 1243P is a low-strength bearing with a mild steel race. The heat-treated carbon steel race on our 3073-8 bearing is considerably stronger, matching the construction of the 21CNZ081 bearing.

pdf icon Full Specifications for Special Size Spherical Bearings (PDF format)

Enter desired order quantities below, then click the "Add selected quantities to cart" button.

Order Qty
Part No.

Condition: New
SKU: 28253

Spherical Bearing, PTFE Lined, 1/2 x 7/8

1 to 4: $37.99

5 to 24: $34.75

25 & up: $31.50

In Stock

Condition: New
SKU: 28252

Spherical Bearing, PTFE Lined, 5/8 x 1.562

1 to 4: $61.99

5 & up: $57.75

In Stock