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Koyo Bearing
NTA-2031
Thrust Needle Roller Bearing Washers, 1.25" Inner Diameter x 1.937" Outer Diameter x 0.0781" Width, 52100 Steel, Riveted 1010 Steel Cage, Round Bore
MODEL NTA-2031
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$3.40 Each
Prices are subject to change
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Brand Minimum Order Quantity: 11
Typically Ships in: 1 day
Returnable: See conditions
Banded
No
Bearing Design
Cage & Roller Assembly
Bore 1
1.25 Inch / 31.75 Millimeter
Bore 2
1.25 Inch / 31.75 Millimeter
Brand
KOYO
Component Description
Roller Assembly Only
Contact I.D.
1.34 in
Contact O.D.
1.82 in
Diameter to Clear Assembly O.D.
1.969 in
Dynamic Load Rating
4530 lbf
Harmonized Tariff Code
8482.99.25.40
Height
0.078 Inch / 1.981 Millimeter
I.D.
1 1/4 in
Inch - Metric
Inch
Limiting Speed - Oil
8600 rpm
Manufacturer Item Number
NTA-2031;PDL125
O.D.
1 15/16 in
Oil Hole
w/o Oil Hole
Origin
Needle Roller & Cage
Other Features
Single Row / Two Piece Cage
Outside Diameter
1.938 Inch / 49.225 Millimeter
Overall Height with Aligning Washer
0 Inch / 0 Millimeter
Precision Class
ABEC 1 / ISO P0
Precision Ground
Yes
Rolling Element
Needle Roller Bearing
Self Aligning
No
Shaft Pilot Diameter [MAX]
1.25 in
Shaft Pilot Diameter [MIN]
1.247 in
Single or Double Direction
Single Direction
Static Load Rating [MAX]
21000 lbf
Thrust Bearing
Yes
Type
Thrust Roller Bearing
UNSPSC
31171500
Width
5/64 in
- Best used for high axial loads that require a thin cross section
- Hardened steel cage is standard polymer cage has a .TN suffix
- Available in inch (NTA) and metric (FNT FNTA AXK) sizes
- Best used with the proper thrust washers (inch-TRA TRB etc and metric-AS GS
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