Thrust Roller Bearing

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Tapered roller bearings are separate bearings, and the inner and outer rings of the bearing have tapered raceways. This type of bearing is divided into different structural types such as single row, double row and four row tapered roller bearings according to the number of rows of rollers installed.For metric-design medium-angle and steep-angle tapered roller bearings, the respective contact angle symbol C or D is added after the bore number. For normal-angle tapered roller bearings, no contact angle symbol is used. Medium-angle tapered roller bearings are primarily used for the pinion shafts of differential gears of automobiles.


The U type tapered roller bearings are an exception within the conventional tapered roller bearings since this is a compact unit type that includes the grease and is pre-regulated without having to install an opposite bearing. Furthermore, they have a flange on the outer ring that is fastened axially in the application once the bearing is mounted.


Bearing Number Bore Dia Outer DIa Width Size
NSK 51101 Bearing 3.1875 in 3.7500 in 12.3000 in Non-Expansion Bearing (Fixed)
IKO NBX2030 Thrust Roller Bearing 3.9375 in Non-Expansion Bearing (Fixed) 6.6300 in Labyrnith non-contacting, non-purging seal with DuPont™ Teflon®
IKO NBX2530Z Thrust Roller Bearing 80 mm 7400 kgf 165 mm 5400 kgf
IKO NBX2030Z Thrust Roller Bearing 2.4375 in Double V-Lock 5.3800 in Non-Expansion Bearing (Fixed)
IKO NBX2530 Thrust Roller Bearing 2.5000 in 2.9000 in 10.2500 in Non-Expansion Bearing (Fixed)
IKO NBX1725 Thrust Roller Bearing 2.0000 in 4-3/4 in 4.0000 in Lubrication Fitting
IKO NBX1725Z Thrust Roller Bearing 60 mm 2.9100 in 10.8300 in Non-Expansion Bearing (Fixed)
IKO NBX1523 Thrust Roller Bearing 60 mm Double Shielded 130 mm Without Snap Ring
IKO NBX1523Z Thrust Roller Bearing 4-1/2 in 4000 psi 5 in 750 fp/min
IKO NAX7040 Thrust Roller Bearing 70 mm 2.9900 in 12.4400 in Non-Expansion Bearing (Fixed)
IKO NAX7040Z Thrust Roller Bearing 0.9375 in 800 lb 3.0000 in Contact Seal
IKO NAX6040Z Thrust Roller Bearing 1-11/16 in Adapter Mounted 5.3900 in Expansion Bearing (Floating)