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09074 bearing dimensions & suffix variants

Look up recorded dimensions for designations beginning with 09074. The table retains complete manufacturer designations so special suffixes and different dimensional variants remain visible.

On this page7 sections

Find by measured dimensions

Enter bore d, outside diameter D and width B. Use decimals or inch fractions such as 1/2 or 1 1/4.

For tapered assemblies use total width T; for units or flanged bearings also check the mounting drawing.

Manufacturer component reference

TIMKEN 09074 — individual cone dimensions

TIMKEN 09074 is an individual tapered-roller cone: the inner ring, rollers and cage, not the complete cone-and-cup bearing. The manufacturer lists bore d = 19.05 mm (3/4 in) and inner-ring width B = 21.539 mm (0.8480 in).

Nominal dimensions · published units retained
MeasurementSymbolMetricInches
Bore (d)d19.05 mm3/4 in
Inner Ring Width (B)B21.539 mm0.8480 in
Effective Center LocationNot specified-9.1 mm-0.36 in
Max Shaft Fillet RadiusNot specified1.5 mm0.060 in
Shaft Backing Shoulder Diameter - Frontface (da)da24 mm0.94 in
Shaft Backing Shoulder Diameter - Backface (db)db26 mm1.02 in
Cage Location rel. to BF (Aa)Aa1.8 mm0.07 in
Cage Location rel. to FF (Ab)Ab1.5 mm0.06 in

Use the component number correctly

  • The bore identifies the shaft-side nominal opening. B measures this cone only; it is not the assembled bearing width T. This single-cone record does not establish an outside diameter D or a matching cup.
  • Preserve the full component number and its suffix. A shared prefix, similar ring size or a related-products suggestion does not approve a cone/cup combination or a cross-brand replacement.
  • For a complete bearing, check both component markings and the manufacturer’s assembled d×D×T record. B+C is not a valid way to calculate T. A seal, axle rating, vehicle application and tightening procedure need their own evidence.

Factual reference: Timken official individual-component catalogue; source snapshot 2026-10-02. Original interpretation by BearingScope. These measurements do not certify a complete assembly, fit or interchange.

Exact cone / cup reference

TIMKEN 09074 — bearing pairs and set identification

For TIMKEN 09074, the component number alone does not establish every dimension of a complete bearing. This reference identifies documented cone/cup combinations that contain 09074; select the row matching both of your component markings.

Complete bearing dimensions by exact pair

These TS single-row tapered-roller combinations are reproduced as factual measurements from the 2002 reference. Dimensions are not a fitment approval or a current availability claim. Each cell keeps both published units.

Assembly size: d × D × T — not cone width B
Cone / cupBore dOutside DAssembly T
09074 / 0919519.050 mm
0.750 in
49.225 mm
1.938 in
19.845 mm
0.781 in
Separate ring widths B / C and source page references

B and C below describe separate components. Their sum is not the assembly width T.

Cone / cupCone width BCup width C2002 PDF pages
09074 / 0919521.539 mm
0.848 in
14.288 mm
0.563 in
203, 347

What to confirm before using this reference

  • d is the cone bore, D is the cup outside diameter and T is the complete bearing width for the exact pair. B and C measure the separate rings; do not add B and C to calculate T.
  • The dimensional table is a historical identification reference from the 2002 Timken Bearing Specification Guide, not a current engineering drawing. Printed metric and inch values are retained, including their original rounding. Check the current drawing before specifying fits or machining.
  • A component may appear with several mating numbers. A match here documents that exact Timken combination; it does not approve other suffixes, mixed-brand rings, a vehicle application or a substitute with similar dimensions.
  • A cone-and-cup set is not automatically a complete wheel-end repair kit. Seal numbers, collars, spacers and quantities must be confirmed separately unless the specific set note below explicitly lists them.
  • For replacement work, inspect and replace the mating cup and cone together as specified for the assembly. Retaining a worn ring or mixing manufacturer geometries can change the contact pattern even when nominal diameters match.
  • An axle tightening torque, preload or endplay target cannot be derived from these dimensions. Use the procedure for the identified hub or machine, including any pre-adjusted system restrictions.

Manufacturer references: Timken Bearing Specification Guide, Order 7534 (2002, archived distributor-hosted copy); Timken MileMate set chart, Order 5523 (May 2024), where listed; Timken cup-and-cone replacement guidance, Order 10832 (2016). Sources checked 2026-10-02. Measurement rows and set identities are kept separate by edition. BearingScope provides independent identification guidance, not sales or installation certification.

Exact model evidence

09074 dimensions and recorded technical data

Use the named dimensions for each complete record below. A generic d×D×B answer is not asserted where the base record is missing, dimension symbols are unverified, or the product uses a different geometry such as a housing or thrust assembly. Suffix records are not substituted for a missing base specification.

The numeric series boundary is preserved: a longer number is not included merely because its first digits match. 5 recorded variants are listed. A dash means the value is missing, not zero.

Brand / full designationNamed dimensions (mm / in)Dynamic C (kN)Static C0 (kN)Reference speed (rpm)Limiting speed (rpm)Mass (kg / g)
TIMKEN09074 / 09194Tapered roller bearing
Recorded bore (d)
19.05 mm
0.75 in
Recorded outside dimension (D)
49.225 mm
1.937992 in
Catalogue width (symbol unverified)
23.02 mm
0.906299 in
42.8 kN40.5 kN——0.2 kg200 g
TIMKEN09074 / 09194-STapered roller bearing
Recorded bore (d)
19.05 mm
0.75 in
Recorded outside dimension (D)
52.883 mm
2.082008 in
Catalogue width (symbol unverified)
20.242 mm
0.796929 in
42.8 kN40.5 kN——0.22 kg220 g
TIMKEN09074 / 09195Tapered roller bearing
Recorded bore (d)
19.05 mm
0.75 in
Recorded outside dimension (D)
49.225 mm
1.937992 in
Catalogue width (symbol unverified)
19.845 mm
0.781299 in
42.8 kN40.5 kN——0.18 kg180 g
TIMKEN09074 / 09196Tapered roller bearing
Recorded bore (d)
19.05 mm
0.75 in
Recorded outside dimension (D)
49.225 mm
1.937992 in
Catalogue width (symbol unverified)
23.02 mm
0.906299 in
42.8 kN40.5 kN——0.2 kg200 g
TIMKEN09074 / 09201Tapered roller bearing
Recorded bore (d)
19.05 mm
0.75 in
Recorded outside dimension (D)
50.8 mm
2 in
Catalogue width (symbol unverified)
20.637 mm
0.81248 in
42.8 kN40.5 kN——0.21 kg210 g
Compare recorded seals, clearance, precision and materials

Manufacturer wording is retained. A missing property is not inferred from another brand or a similar suffix.

Brand / designationClosureOriginal precisionClearanceCageMaterialLubricant
TIMKEN 09074 / 09194OpenABMA Class 2Not recordedSteel cageNot recordedNot recorded
TIMKEN 09074 / 09194-SNot recordedNot recordedNot recordedNot recordedNot recordedNot recorded
TIMKEN 09074 / 09195OpenABMA Class 2Not recordedSteel cageNot recordedNot recorded
TIMKEN 09074 / 09196OpenABMA Class 2Not recordedSteel cageNot recordedNot recorded
TIMKEN 09074 / 09201Not recordedNot recordedNot recordedNot recordedNot recordedNot recorded

How to compare these values

  • Use the displayed dimension names and original symbols. Housing length L, height H2 and flange width are not bearing outside diameter D. A catalogue width with an unverified symbol must not be assumed to be inner-ring width B or assembly width T. Open the product record for mounting dimensions and geometry.
  • Inch values are calculated from the recorded millimetres using 25.4 mm per inch, rounded to six decimal places. They do not change a metric bearing into an inch-series bearing. Gram values are converted from the recorded mass in kilograms.
  • C and C0 describe different rating conditions. They are not a single safe working-load limit and cannot replace an application load calculation.
  • Reference and limiting speeds are separate catalogue values. The source grease/oil context is shown where recorded. Lubricant, seals, loads, fit, clearance and cooling affect the usable operating speed.
  • A common base number does not prove equivalent seals, clearance, precision, material or interchangeability. Open the full designation for these fields.

Related prefix matches — other model numbers may appear

These discovery results can contain a longer number or a different component. They are not specifications for the requested exact model. Open the complete product to inspect its original geometry.

Check the drawing before substituting

Nominal dimensions are not shaft-fit tolerances. Different variants can add grooves, flanges, wider rings or assembly components. When the table has different dimensions, the complete designation—not the shared prefix—controls.

Reference basis & data limits

Manufacturer terminology is retained in the product records. Technical reference basis: JTEKT Basic Bearing Knowledge (boundary dimensions, tolerance classes and lubrication); NSK Bearing ABCs (lubrication, designations and clearance); NTN technical FAQs (closure codes and component interchange); SKF rolling-bearing selection and maintenance references.

Selection workflows and catalogue grouping are BearingScope editorial aids. Verify the current drawing and application requirements before using a candidate. Missing database information is not converted into an assumed match.

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