7205-B-XL-TVP Bearing

 

d	25 mm	Bore diameter
D	52 mm	Outside diameter
B	15 mm	Width
Cr	16,200 N	Basic dynamic load rating, radial
C0r	9,000 N	Basic static load rating, radial
Cur	620 N	Fatigue load limit, radial
nG	19,200 1/min	Limiting speed
nϑr	13,700 1/min	Reference speed
≈m	0.126 kg	Weight

da min	30.6 mm	Minimum diameter of shaft shoulder
Da max	46.4 mm	Maximum diameter of housing shoulder
Db max	47.8 mm	Maximum diameter of housing shoulder
ra max	1 mm	Maximum fillet radius of shaft
ra1 max	0.6 mm	Maximum fillet radius of housing

rmin	1 mm	Minimum chamfer dimension
r1 min	0.6 mm	Minimum chamfer dimension
D1	42.02 mm	Shoulder diameter on outer ring wide side face
d1	35.54 mm	Shoulder diameter on inner ring wide side face
a	23.7 mm	Distance between the apexes of the pressure cones
α	40 °	Contact angle

Tmin	-30 °C	Operating temperature min.
Tmax	120 °C	Operating temperature max.

The 7205-B-XL-TVP is a single-row angular contact ball bearing, a precision-engineered component designed to handle combined radial and axial loads. Its internal geometry features raceways in both the inner and outer rings that are offset relative to each other, creating a contact angle. This angle is crucial as it determines the bearing's ability to support axial loads; a larger contact angle means higher axial load capacity. The "B" designation often indicates a specific contact angle, while "XL" typically signifies an extra-large size or a specific internal design for higher load capacity. The "TVP" suffix generally points to a specific cage material, often a polyamide or other high-performance polymer, chosen for its low friction, noise reduction, and ability to operate in demanding environments.

One of the key advantages of the 7205-B-XL-TVP angular contact ball bearing is its versatility in handling combined loads. Unlike radial ball bearings that primarily manage radial loads, or thrust ball bearings designed for axial loads only, this type can effectively manage both simultaneously. This makes it suitable for applications where forces act in multiple directions. The use of a polyamide cage, as indicated by the "TVP," contributes to quieter operation and reduced friction, leading to improved efficiency and potentially longer service life. Furthermore, the "XL" designation suggests a robust design capable of withstanding higher loads compared to standard 7205 bearings.

These bearings find application in a diverse range of industries and equipment. Machine tools, for example, frequently employ angular contact ball bearings like the 7205-B-XL-TVP in spindles to handle the combined cutting forces.

They are also used in pumps, compressors, and gearboxes where both radial and axial loads are present. In the automotive sector, they can be found in wheel hubs and transmissions. The specific features of the 7205-B-XL-TVP, such as the contact angle and cage material, make it particularly well-suited for applications demanding high precision, high speeds, and reliable performance under combined loading conditions.

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