BALL BEARINGS
77-R-8 R-Light Inch Series Ball Bearing
R Light Inch Series Ball Bearing
Item #102072506
Single Row Radial Bearing
1/2" ID x 1 1/8" OD x 5/16" Wide
Double Shielded
No Snap Ring
Standard (ABEC 1)
7409-BCBM 45-MM-ID THRUST BALL BEARINGS
Bore Diameter (Inner): 45 mm Outside Diameter: 120 mm Overall Width: 29 mm Contact Angle: 40° (Optimized for managing large, single-direction axial forces)Cage Material: Machined Solid Brass (Indicated by the "M" suffix, offering excellent wear resistance under rapid acceleration)Basic Dynamic Load Rating: 85.2 kN Basic Static Load Rating: 55 kN Limiting/Reference Speed: 7,500 RPM Sealing Configuration: Open type (Requires external lubrication, often factory paired with MT47 grease or run open in oil-bath setups)
7315-BY 75-MM-ID THRUST BALL BEARINGS
The SKF 7315BY (frequently referenced via superseding or equivalent modern designations like SKF 7315 BECBY) is a single-row angular contact ball bearing featuring a 40-degree contact angle and a machined brass cage. It is designed to handle combined radial and heavy unilateral axial loads in industrial machinery.
7315-B 75-MM-ID THRUST BALL BEARINGS
Bore Diameter: 75 mm (2.953 in) Outer Diameter: 160 mm (6.299 in) Width: 37 mm (1.457 in) Contact Angle: 40° (denoted by the 'B' suffix) Maximum Limiting Speed: ~5,300 RPM Load Capacities: Dynamic load rating around 132 kN; static load rating around 104 kN
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