FAG UC207 35x72x42.9 Radial Insert Ball Bearing

FAG UC207 35x72x42.9 Radial Insert Ball Bearing

FAG UC207 is a radial insert ball bearing with dimensions 35x72x42.9 mm, designed for installation in compatible bearing housings. It features a 35 mm cylindrical bore, spherical outer ring surface, extended inner ring, double-sided sealing and shaft location by set screws.

Exact product identification:

FAG + UC207 + UC 207 + 35x72x42.9 mm + radial insert ball bearing + spherical outer ring + set-screw locking

FAG UC207 – Technical Characteristics

FAG UC207 Dimensions – 35x72x42.9 mm

The principal dimensions are:

d = 35 mm – bore diameter

Dsp = 72 mm – spherical outside diameter

B = 42.9 mm – overall width across the extended inner ring

C = 20 mm – outer ring width

C2 = 20.6 mm – width over seals

S = 17.5 mm

The most common dimensional search format is:

35x72x42.9 mm

The 42.9 mm dimension refers to the overall width B, not the width of the outer ring. This distinction is important when identifying an existing UC207 by measurement.

What Is FAG UC207?

FAG UC207 belongs to the radial insert ball bearing family.

Its construction combines:

spherical outer ring surface

extended inner ring

cylindrical 35 mm bore

shaft location by set screws

and:

sealing on both sides.

The bearing is intended for installation in a compatible housing with a corresponding spherical seat.

Spherical Outer Ring Surface

FAG UC207 has a spherical outside surface on the outer ring.

When combined with a compatible housing, this geometry allows the bearing and housing arrangement to compensate for limited static misalignment caused by mounting.

This should not be confused with a conventional double-row self-aligning ball bearing.

In UC207, the alignment function results from the interaction between the:

spherical outer surface of the bearing

and:

matching spherical housing seat.

Extended Inner Ring

The inner ring of FAG UC207 is extended relative to the outer ring.

This explains the difference between:

B = 42.9 mm – overall inner-ring width

and:

C = 20 mm – outer-ring width.

Both dimensions are important when identifying the bearing and checking dimensional compatibility.

Shaft Location by Set Screws

FAG UC207 is located on the shaft using set screws in the extended inner ring.

These are also commonly referred to as:

grub screws.

The shaft-locking system is an important construction feature and should be checked when comparing UC207 with another insert bearing.

A bearing using an eccentric locking collar or adapter sleeve should not automatically be considered interchangeable merely because it has the same bore and outside diameter.

Double-Sided Sealing

FAG UC207 uses RSR seals on both sides.

The sealing system protects the bearing interior against contamination while helping retain lubricant around the rolling elements and raceways.

The exact sealing arrangement is therefore one of the parameters that should be considered when comparing UC207 with other 35 mm insert bearings.

What Does UC207 Mean?

UC207 identifies a widely used size and construction family of radial insert ball bearings.

The designation can be entered in different forms:

UC207

UC 207

UC-207

or with the manufacturer:

FAG UC207.

Because UC207-type bearings are manufactured by multiple bearing companies, the manufacturer should remain part of the exact product identification.

The product described here is:

FAG UC207.

FAG UC207 – 35 mm Bore

FAG UC207 has a nominal bore diameter:

d = 35 mm.

This explains common searches such as:

UC207 35mm

UC207 35 mm bearing

FAG insert bearing 35mm

and:

35mm bore insert bearing.

The 35 mm bore alone does not uniquely identify the product. The remaining dimensions, outer-ring geometry, sealing and shaft-locking arrangement must also be checked.

FAG UC207 vs Standard 6207 Bearing

Both UC207 and the conventional 6207 deep groove ball bearing have a nominal:

35 mm bore.

They are nevertheless fundamentally different designs.

FAG UC207 has:

spherical outer ring surface

extended inner ring

set-screw shaft locking

and:

geometry intended for installation in a compatible bearing housing.

A standard 6207 deep groove ball bearing should therefore not be considered a replacement for UC207 simply because both bearings have a 35 mm bore.

UC207 Bearing vs Complete Housing Unit

The designation:

UC207

identifies the insert bearing, not necessarily a complete housed bearing unit.

In a complete bearing unit, UC207 is installed in a compatible housing.

Therefore, when a complete unit is required, the buyer must also identify the:

housing design

mounting-hole arrangement

housing dimensions

and:

mounting configuration.

The insert bearing and the complete housed unit are separate product concepts.

Basic Dynamic Load Rating Cr

The basic dynamic radial load rating is:

Cr = 27,500 N = 27.5 kN.

Cr is a standardized parameter used when calculating bearing rating life under dynamic loading.

It should not be interpreted simply as a universal maximum permissible load.

Selection and Interchangeability

When selecting a replacement for FAG UC207, verify:

manufacturer – FAG

bearing type – radial insert ball bearing

d = 35 mm

Dsp = 72 mm

B = 42.9 mm

C = 20 mm

spherical outer ring surface

extended inner ring

set-screw shaft locking

sealing configuration

housing compatibility

and:

required operating parameters.

Matching the nominal 35x72x42.9 mm dimensions alone does not prove full interchangeability.

How Is FAG UC207 Searched Online?

UC207 is a widely used industrial bearing designation, and buyers frequently enter it with different spacing, punctuation, dimensional descriptions and technical terms.

Common search variants include:

• FAG UC207
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The exact product described on this page is:

FAG UC207 – 35x72x42.9 mm radial insert ball bearing with spherical outer ring, double-sided sealing and set-screw shaft locking.

UC 207 FAG – Is It the Same as FAG UC207?

Yes. Search phrases such as:

UC 207 FAG

FAG UC 207

UC207 FAG

and:

FAG UC207

are different ways buyers may enter the same FAG reference.

For technical product identification, the compact designation is:

FAG UC207.

UC207 35x72x42.9 – What Do the Dimensions Mean?

The dimensional description:

35x72x42.9 mm

means:

35 mm – bore diameter

72 mm – spherical outside diameter

42.9 mm – overall width B across the extended inner ring.

The outer ring itself has a width:

C = 20 mm.

This distinction is important when identifying a bearing from physical measurements.

UC207 35mm – Is the Bore Diameter Enough?

No.

A 35 mm bore is only one identification parameter.

Before ordering a replacement, also verify:

outside diameter

overall width

outer-ring width

spherical outer-ring geometry

shaft-locking method

sealing arrangement

and:

housing compatibility.

Can Another Brand of UC207 Replace FAG UC207?

The designation UC207 is used by several bearing manufacturers, but the common reference alone does not prove complete technical interchangeability.

Before substituting another manufacturer's UC207 for FAG UC207, compare the complete dimensions, outer-ring geometry, shaft-locking system, sealing arrangement, load ratings and compatibility with the existing housing and operating conditions.

Technical Specification

FAQ

What are the dimensions of FAG UC207?

FAG UC207 has principal dimensions 35x72x42.9 mm: d = 35 mm, Dsp = 72 mm and B = 42.9 mm. The outer ring width C is 20 mm.

Is UC 207 FAG the same reference as FAG UC207?

Yes. UC 207 FAG is a common search format for the product designated FAG UC207.

What bore size does FAG UC207 have?

The bearing has a nominal 35 mm cylindrical bore.

How is FAG UC207 secured to the shaft?

UC207 is secured using set screws / grub screws located in the extended inner ring.

Does FAG UC207 have a spherical outer ring?

Yes. It has a spherical outside surface on the outer ring for installation in a compatible housing.

Is FAG UC207 sealed on both sides?

Yes. The FAG UC207 design uses RSR seals on both sides.

Is UC207 the same as a 6207 bearing?

No. Although both have a 35 mm bore, UC207 is a radial insert ball bearing with a spherical outer ring, extended inner ring and integrated shaft-locking system.

Can any 35x72x42.9 bearing replace FAG UC207?

No. Verify the complete geometry, shaft-locking system, sealing arrangement, load ratings and housing compatibility before confirming interchangeability.

AI Overview

FAG UC207 35x72x42.9 mm is a radial insert ball bearing with a 35 mm cylindrical bore, 72 mm spherical outside diameter and 42.9 mm overall width. It features an extended inner ring, RSR seals on both sides and set-screw shaft locking. Common searches include UC 207 FAG, FAG UC 207, UC207 bearing and 35x72x42.9 insert bearing.