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3303 bearing dimensions & suffix variants

Look up recorded dimensions for designations beginning with 3303. The table retains complete manufacturer designations so special suffixes and different dimensional variants remain visible.

On this page5 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.

Exact model evidence

3303 dimensions and recorded technical data

The recorded 3303 base designation measures 17×47×22.2 mm (inside diameter d × outside diameter D × width B). This answer uses unsuffixed records from KOYO. It does not assign the same dimensions or operating ratings to every suffix.

The numeric series boundary is preserved: a longer number is not included merely because its first digits match. 13 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)
KOYO3303Angular contact ball bearing
Bore diameter (d)
17 mm
0.669291 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
22.2 mm
0.874016 in
23 kN17.1 kN—9400 rpmLimiting Speeds(Grease Lub.): 9400 min-1Limiting Speeds(Oil Lub.): 13000 min-10.192 kg192 g
SKF3303 A-2RS1TN9/MT33Double row angular contact ball bearing with seals or shields
Bore diameter (d)
17 mm
0.669291 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
22.2 mm
0.874016 in
21.6 kN12.7 kN—11000 rpm0.18 kg180 g
SKF3303 A-2ZTN9/MT33Double row angular contact ball bearing with seals or shields
Bore diameter (d)
17 mm
0.669291 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
22.2 mm
0.874016 in
21.6 kN12.7 kN17000 rpm14000 rpm0.181 kg181 g
SKF3303 ATN9Double row angular contact ball bearing
Bore diameter (d)
17 mm
0.669291 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
22.2 mm
0.874016 in
21.6 kN12.7 kN17000 rpm14000 rpm0.176 kg176 g
SKF3303 ATN9/C3Double row angular contact ball bearing
Recorded bore (d)
17 mm
0.669291 in
Recorded outside dimension (D)
47 mm
1.850394 in
Catalogue width (symbol unverified)
22.2 mm
0.874016 in
21.6 kN12.7 kN17000 rpm14000 rpm0.176 kg176 g
FAG3303-BD-XL-2HRS-TVHAngular contact ball bearing
Bore diameter (d)
17 mm
0.669291 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
22.2 mm
0.874016 in
22.5 kN13.1 kN—12400 rpm0.177 kg177 g
FAG3303-BD-XL-2HRS-TVH-C3Angular contact ball bearing
Bore diameter (d)
17 mm
0.669291 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
22.2 mm
0.874016 in
22.5 kN13.1 kN—12400 rpm0.177 kg177 g
FAG3303-BD-XL-2Z-TVHAngular contact ball bearing
Bore diameter (d)
17 mm
0.669291 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
22.2 mm
0.874016 in
22.5 kN13.1 kN12600 rpm12400 rpm0.177 kg177 g
FAG3303-BD-XL-2Z-TVH-C3Angular contact ball bearing
Bore diameter (d)
17 mm
0.669291 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
22.2 mm
0.874016 in
22.5 kN13.1 kN12600 rpm12400 rpm0.177 kg177 g
FAG3303-BD-XL-TVHAngular contact ball bearing
Bore diameter (d)
17 mm
0.669291 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
22.2 mm
0.874016 in
22.5 kN13.1 kN12600 rpm16600 rpm0.171 kg171 g
FAG3303-BD-XL-TVH-C3Angular contact ball bearing
Bore diameter (d)
17 mm
0.669291 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
22.2 mm
0.874016 in
22.5 kN13.1 kN12600 rpm16600 rpm0.171 kg171 g
FAG3303-BD-XL-TVH-L285Angular contact ball bearing
Bore diameter (d)
17 mm
0.669291 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
22.2 mm
0.874016 in
22.5 kN13.1 kN12600 rpm16600 rpm0.173 kg173 g
FAG3303-BD-XL-TVH-L285-C3Angular contact ball bearing
Bore diameter (d)
17 mm
0.669291 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
22.2 mm
0.874016 in
22.5 kN13.1 kN12600 rpm16600 rpm0.173 kg173 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
KOYO 3303OpenNot recordedNot recordedNot recordedNot recordedNot recorded
SKF 3303 A-2RS1TN9/MT33Seal on both sidesNot recordedNot recordedNon-metallicBearing steelGrease
SKF 3303 A-2ZTN9/MT33Shield on both sidesNot recordedNot recordedNon-metallicBearing steelGrease
SKF 3303 ATN9WithoutNot recordedNot recordedNon-metallicBearing steelNone
SKF 3303 ATN9/C3WithoutNot recordedNot recordedNon-metallicBearing steelNone
FAG 3303-BD-XL-2HRS-TVH2HRS — Contact seal on both sidesP6 — Class 6 (ISO 492:2023)Not recordedTVH — Solid cage made of glass-fiber reinforced polyamide PA66Not recordedGA13 — Ball bearing and insert bearing grease
FAG 3303-BD-XL-2HRS-TVH-C32HRS — Contact seal on both sidesP6 — Class 6 (ISO 492:2023)Not recordedTVH — Solid cage made of glass-fiber reinforced polyamide PA66Not recordedGA13 — Ball bearing and insert bearing grease
FAG 3303-BD-XL-2Z-TVH2Z — Non-contact shield on both sidesP6 — Class 6 (ISO 492:2023)Not recordedTVH — Solid cage made of glass-fiber reinforced polyamide PA66Not recordedGA13 — Ball bearing and insert bearing grease
FAG 3303-BD-XL-2Z-TVH-C32Z — Non-contact shield on both sidesP6 — Class 6 (ISO 492:2023)Not recordedTVH — Solid cage made of glass-fiber reinforced polyamide PA66Not recordedGA13 — Ball bearing and insert bearing grease
FAG 3303-BD-XL-TVHWithout — Not sealedP6 — Class 6 (ISO 492:2023)Not recordedTVH — Solid cage made of glass-fiber reinforced polyamide PA66Not recordedWithout — Bearing not greased
FAG 3303-BD-XL-TVH-C3Without — Not sealedP6 — Class 6 (ISO 492:2023)Not recordedTVH — Solid cage made of glass-fiber reinforced polyamide PA66Not recordedWithout — Bearing not greased
FAG 3303-BD-XL-TVH-L285Without — Not sealedP6 — Class 6 (ISO 492:2023)Not recordedTVH — Solid cage made of glass-fiber reinforced polyamide PA66Not recordedL285 — Grease (L285/customer specific)
FAG 3303-BD-XL-TVH-L285-C3Without — Not sealedP6 — Class 6 (ISO 492:2023)Not recordedTVH — Solid cage made of glass-fiber reinforced polyamide PA66Not recordedL285 — Grease (L285/customer specific)

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.
Check load calculations →Estimate rating life →Decode the complete marking →Check replacement evidence →

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.

KOYO

3303

Angular contact ball bearing

View full technical record →FAG

33030

Tapered roller bearing

View full technical record →TIMKEN

33030

Tapered roller bearing

View full technical record →SKF

33030

Single row tapered roller bearing

View full technical record →KOYO

33030JR

Tapered roller bearing

View full technical record →SKF

33030T132/DB31

Matched tapered roller bearings arranged back-to-back

View full technical record →FAG

33030-XL

Tapered roller bearing

View full technical record →FAG

33030-XL-J30PC

Tapered roller bearing

View full technical record →SKF

3303 A-2RS1TN9/MT33

Double row angular contact ball bearing with seals or shields

View full technical record →SKF

3303 A-2ZTN9/MT33

Double row angular contact ball bearing with seals or shields

View full technical record →SKF

3303 ATN9

Double row angular contact ball bearing

View full technical record →SKF

3303 ATN9/C3

Double row angular contact ball bearing

View full technical record →
Filter all 20 prefix results →

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.

Measurement guide →Cross-reference checks →

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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