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Koyo Bearing
J-57
Open Type, Caged Drawn Cup Needle Roller Bearing, 0.3149" Inner Diameter x 0.5005" Outer Diameter x 0.438" Width, 1010 Steel, Riveted Steel Cage, Round Bore
Koyo Bearing J-57 Open Type, Caged Drawn Cup Needle Roller Bearing, 0.3149" Inner Diameter x 0.5005" Outer Diameter x 0.438" WidthMODEL J-57
This vendor has a minimum order quantity of 7. Order minimum ($) may be applied. Add desired QTY to cart and proceed to checkout to view minimum
$5.72 Each
Prices are subject to change
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Brand Minimum Order Quantity: 7
Typically Ships in: 1 day
Returnable: See conditions
Bearing Design
Outer Ring & Roller Assembly
Housing Bore [MAX]
0.5005 in
Housing Bore [MIN]
0.4995 in
I.D.
5/16 in
Limiting Speed - Oil
44000 rpm
O.D.
1/2 in
Oil Hole
w/o Oil Hole
Origin
Needle Radial
Precision Ground
No
Self Aligning
No
Width
7/16 in
Working Load
474 lbf
- Best used for good radial load capacity and high speeds for thin cross section applications
- A hardened and machined shaft or an "IR" Inner Ring is required for optimal performance
- A press fit into the housing is required
- Available with an oil hole (-OH or .AS1 in suffix)
- Available with one seal (JT MJT HK-RS) or two seals (JTT HK-.2RS)
- Available with heavy duty rollers (JH style) for applications that require maximum radial load capacity and high speed
- Available with a closed end (MJ BK)
- Available in inch (J MJ) and metric (HK BK)
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