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Koyo 7307B-5G C3FY is a single-row angular contact ball bearing with a 35 mm straight bore. It features a 40-degree contact angle, improved internal geometry (5G), C3 clearance, and factory grease pack (FY). Designed for combined radial and axial loads in pumps, compressors, and machine tool spindles.
MODEL 7307B-5G C3FY
$81.62 Each
Prices are subject to change
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Bore
1.378 in / 35 mm
Brand
KOYO
Contact Angle
40 Degree
Flush Ground
Yes
Harmonized Tariff Code
8482.10.50.28
Inch - Metric
Metric
Internal Clearance
C3-Loose
Manufacturer Item Number
7307B-5G C3FY
Maximum Capacity / Filling Slot
No
Mounting Arrangement
Universal
Number of Bearings
1 (Single)
Number of Rows of Balls
Single Row
Other Features
Ball Guided Retainer
Outside Diameter
3.15 Inch / 80 Millimeter
Precision Class
ABEC 1 / ISO P0
Rolling Element
Ball Bearing
Snap Ring
No
Type
Angular Contact Ball Bearings
UNSPSC
31171531
Width
0.827 Inch / 21 Millimeter
Angular contact ball bearings are suitable for applications which require high accuracy and good high-speed performance. This type of bearing is designed to carry a combined load.
.How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
What is the difference between deep groove and angular contact ball bearings?
Deep groove ball bearings are the most common type. They’re designed to handle mainly radial loads, but they can also take some axial load in both directions. They’re simple, versatile, and used in everything from motors to conveyors. Angular contact ball bearings are built for combined loads, especially where there’s significant axial force in one direction. They’re often used in pairs and are common in higher precision or higher load applications like pumps and gearboxes. If your load is mostly radial, go deep groove. If axial load matters more, angular contact is usually the better choice.
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