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FAG self-aligning ball bearing · FAG 1205-K-TVH-C3
FAG 1205-K-TVH-C3 self-aligning ball bearing

FAGBrand we market

FAG 1205-K-TVH-C3 self-aligning ball bearing

Manufacturer Part Number1205-K-TVH-C3Dimensions: 25 x 52 x 15 mm (d x D x B)Other bearings 25 x 52 x 15 mm →Also searched as: 1205KTVHC3 · 1205 K TVH C3FAG 12 series: dimension table →
Brand
FAG
Category
Bearings
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Since 1945 · Martínez, Buenos Aires, Argentina

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How to read FAG 1205-K-TVH-C3

12Series
Self-aligning ball bearings, 12 series. For the same bore, each series has a different outside diameter and width.
05Bore
25 mm bore: 05 × 5.
K-TVH-C3Suffix
FAG suffix: it defines the variant (sealing, cage, internal clearance or other features).

1205 is the standard (ISO) basic designation: it defines the type, the series and the bore.

Description

The FAG 1205-K-TVH-C3 bearing has a 25 mm bore, a 52 mm outside diameter and a 15 mm width (25 x 52 x 15 mm).

FAG 1205-K-TVH-C3 is a reference of self-aligning ball bearing, within Bearings. Request a quote for 1205-K-TVH-C3 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

The FAG self-aligning ball bearing is a self-aligning bearing with two rows of balls, designed to accommodate angular misalignment between shaft and housing. Its spherical outer raceway allows the inner ring to tilt without losing load capacity, which simplifies mounting and absorbs alignment errors. It is used in applications where the shaft can flex or the support is not perfectly rigid. MR Accesorios Industriales supplies this line with technical advice so you can choose the correct part number.

The designation of this series reads as follows: the basic number indicates the size, the letter K indicates that the bore is tapered (mounting on a tapered shaft), TVH identifies the polyamide cage reinforced with fiberglass, and C3 the increased internal radial clearance. For example, 1204-K-TVH-C3 corresponds to a bearing of series 12 with tapered bore, TVH cage and C3 clearance. The examples 1205-K-TVH-C3, 1206-K-TVH-C3 and 1207-K-TVH-C3 follow the same logic. Knowing these suffixes allows you to request the exact part number your equipment needs.

In Argentine industry, these bearings appear in belt conveyors, textile machines, bottling equipment, fans and mixers. They are also found on long transmission shafts, where shaft flex requires self-alignment. With two rows of balls, they support moderate radial and axial loads in both directions. They are a common option in food, chemical and process plants, where cleanliness and robust mounting are critical.

To select the correct bearing, take into account the bore type: the series with K is mounted on a tapered shaft, generally with an adapter sleeve, which facilitates adjustment of the radial clearance. The TVH cage is made of polyamide, suitable for moderate temperatures and standard lubrication. The suffix C3 indicates a greater internal clearance than normal, recommended when there is interference fit or thermal gradients. Check the initial alignment and choose the lubricant according to the service conditions.

Self-aligning ball bearings are interchangeable between manufacturers if the main dimensions, bore type and clearance match. A part number with suffix K and C3 from another brand can replace the FAG one if it maintains those characteristics. However, tolerances and cage materials may vary, so it is advisable to confirm the equivalence with a specialist. At MR Accesorios Industriales we help you validate interchangeability before purchasing.

If you already have the part number or model of your bearing, write to us on WhatsApp and we will quote you shortly. At MR Accesorios Industriales we supply the FAG brand and can guide you on the variant that best suits your application. Send us the equipment data and we will reply with the available option.

Dimensions

Boundary dimensions of the basic designation 1205 per ISO 15: 25 x 52 x 15 mm (d x D x B).

Bore
25mm
Outside diameter (D)
52mm
Width (B)
15mm

Same size in SKF and other brands

Pages from other brands with the basic designation 1205: 25 x 52 x 15 mm (d x D x B) per ISO 15.

They share the boundary dimensions set by ISO 15, not the technical data: seals or shields, internal clearance, cage and load rating can differ by brand and suffix. We quote each one by its full part number.

Frequently Asked Questions

What are the dimensions of the FAG 1205-K-TVH-C3 bearing?
The FAG 1205-K-TVH-C3 bearing has a 25 mm bore, a 52 mm outside diameter and a 15 mm width (25 x 52 x 15 mm). These are the standardised boundary dimensions (ISO 15) of the basic designation 1205.
What does the suffix K mean in a self-aligning ball bearing?
The letter K indicates that the bearing has a tapered bore. This allows it to be mounted on a tapered shaft or with an adapter sleeve, which facilitates adjustment of the internal radial clearance during installation.
What is the purpose of C3 clearance in these bearings?
The suffix C3 indicates a greater internal radial clearance than normal. It is recommended when interference fit or thermal differences between shaft and housing can reduce clearance and affect operation.
Can I replace a FAG bearing with another brand?
Yes, if dimensions, bore type and radial clearance match. Check that the other brand's part number includes the same letters K and C3, and consult us on WhatsApp to confirm the equivalence before requesting a quote.
Request a quote for 1205-K-TVH-C3 via WhatsApp
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