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3204 bearing dimensions & suffix variants

Look up recorded dimensions for designations beginning with 3204. 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

3204 dimensions and recorded technical data

The recorded 3204 base designation measures 20×47×20.6 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. 35 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)
KOYO3204Angular contact ball bearing
Bore diameter (d)
20 mm
0.787402 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
20.6 mm
0.811024 in
21.5 kN15 kN—9000 rpmLimiting Speeds(Grease Lub.): 9000 min-1Limiting Speeds(Oil Lub.): 12000 min-10.17 kg170 g
SKF3204 ADouble row angular contact ball bearing
Bore diameter (d)
20 mm
0.787402 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
20.6 mm
0.811024 in
20.4 kN12.9 kN16000 rpm14000 rpm0.149 kg149 g
SKF3204 A-2RS1Double row angular contact ball bearing with seals or shields
Bore diameter (d)
20 mm
0.787402 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
20.6 mm
0.811024 in
20.4 kN12.9 kN—10000 rpm0.156 kg156 g
SKF3204 A-2RS1/C3Double row angular contact ball bearing with seals or shields
Recorded bore (d)
20 mm
0.787402 in
Recorded outside dimension (D)
47 mm
1.850394 in
Catalogue width (symbol unverified)
20.6 mm
0.811024 in
20.4 kN12.9 kN—10000 rpm0.156 kg156 g
SKF3204 A-2RS1/C3W64Double row angular contact ball bearing with seals or shields
Recorded bore (d)
20 mm
0.787402 in
Recorded outside dimension (D)
47 mm
1.850394 in
Catalogue width (symbol unverified)
20.6 mm
0.811024 in
20.4 kN12.9 kN—3400 rpm0.156 kg156 g
SKF3204 A-2RS1/MT33Double row angular contact ball bearing with seals or shields
Recorded bore (d)
20 mm
0.787402 in
Recorded outside dimension (D)
47 mm
1.850394 in
Catalogue width (symbol unverified)
20.6 mm
0.811024 in
20.4 kN12.9 kN—10000 rpm0.156 kg156 g
SKF3204 A-2RS1TN9/MT33Double row angular contact ball bearing with seals or shields
Bore diameter (d)
20 mm
0.787402 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
20.6 mm
0.811024 in
20.4 kN12.9 kN—10000 rpm0.152 kg152 g
SKF3204 A-2ZDouble row angular contact ball bearing with seals or shields
Bore diameter (d)
20 mm
0.787402 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
20.6 mm
0.811024 in
20.4 kN12.9 kN16000 rpm14000 rpm0.159 kg159 g
SKF3204 A-2Z/C3Double row angular contact ball bearing with seals or shields
Recorded bore (d)
20 mm
0.787402 in
Recorded outside dimension (D)
47 mm
1.850394 in
Catalogue width (symbol unverified)
20.6 mm
0.811024 in
20.4 kN12.9 kN16000 rpm14000 rpm0.159 kg159 g
SKF3204 A-2Z/C3MT33Double row angular contact ball bearing with seals or shields
Recorded bore (d)
20 mm
0.787402 in
Recorded outside dimension (D)
47 mm
1.850394 in
Catalogue width (symbol unverified)
20.6 mm
0.811024 in
20.4 kN12.9 kN16000 rpm14000 rpm0.159 kg159 g
SKF3204 A-2Z/MT33Double row angular contact ball bearing with seals or shields
Recorded bore (d)
20 mm
0.787402 in
Recorded outside dimension (D)
47 mm
1.850394 in
Catalogue width (symbol unverified)
20.6 mm
0.811024 in
20.4 kN12.9 kN16000 rpm14000 rpm0.159 kg159 g
SKF3204 A-2ZTN9/C3MT33Double row angular contact ball bearing with seals or shields
Recorded bore (d)
20 mm
0.787402 in
Recorded outside dimension (D)
47 mm
1.850394 in
Catalogue width (symbol unverified)
20.6 mm
0.811024 in
19 kN12 kN16000 rpm14000 rpm0.156 kg156 g
SKF3204 A-2ZTN9/MT33Double row angular contact ball bearing with seals or shields
Bore diameter (d)
20 mm
0.787402 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
20.6 mm
0.811024 in
20.4 kN12.9 kN16000 rpm14000 rpm0.156 kg156 g
SKF3204 A/C3Double row angular contact ball bearing
Recorded bore (d)
20 mm
0.787402 in
Recorded outside dimension (D)
47 mm
1.850394 in
Catalogue width (symbol unverified)
20.6 mm
0.811024 in
20.4 kN12.9 kN16000 rpm14000 rpm0.149 kg149 g
SKF3204 ATN9Double row angular contact ball bearing
Bore diameter (d)
20 mm
0.787402 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
20.6 mm
0.811024 in
20.4 kN12.9 kN16000 rpm14000 rpm0.147 kg147 g
SKF3204 ATN9/C3Double row angular contact ball bearing
Recorded bore (d)
20 mm
0.787402 in
Recorded outside dimension (D)
47 mm
1.850394 in
Catalogue width (symbol unverified)
20.6 mm
0.811024 in
20.4 kN12.9 kN16000 rpm14000 rpm0.147 kg147 g
SKF3204 A-ZDouble row angular contact ball bearing with seals or shields
Recorded bore (d)
20 mm
0.787402 in
Recorded outside dimension (D)
47 mm
1.850394 in
Catalogue width (symbol unverified)
20.6 mm
0.811024 in
19 kN12 kN16000 rpm14000 rpm0.159 kg159 g
SKF3204 A-ZTN9/MT33Double row angular contact ball bearing with seals or shields
Bore diameter (d)
20 mm
0.787402 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
20.6 mm
0.811024 in
20.4 kN12.9 kN16000 rpm14000 rpm0.156 kg156 g
FAG3204-BD-XLAngular contact ball bearing
Bore diameter (d)
20 mm
0.787402 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
20.6 mm
0.811024 in
20.6 kN12.9 kN14700 rpm16100 rpm0.149 kg149 g
FAG3204-BD-XL-2HRSAngular contact ball bearing
Bore diameter (d)
20 mm
0.787402 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
20.6 mm
0.811024 in
20.6 kN12.9 kN—12100 rpm0.153 kg153 g
FAG3204-BD-XL-2HRS-C3Angular contact ball bearing
Bore diameter (d)
20 mm
0.787402 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
20.6 mm
0.811024 in
20.6 kN12.9 kN—12100 rpm0.153 kg153 g
FAG3204-BD-XL-2HRS-TVHAngular contact ball bearing
Bore diameter (d)
20 mm
0.787402 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
20.6 mm
0.811024 in
20.6 kN12.9 kN—12100 rpm0.15 kg150 g
FAG3204-BD-XL-2HRS-TVH-C2Angular contact ball bearing
Bore diameter (d)
20 mm
0.787402 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
20.6 mm
0.811024 in
20.6 kN12.9 kN—12100 rpm0.151 kg151 g
FAG3204-BD-XL-2HRS-TVH-C3Angular contact ball bearing
Bore diameter (d)
20 mm
0.787402 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
20.6 mm
0.811024 in
20.6 kN12.9 kN—12100 rpm0.15 kg150 g
FAG3204-BD-XL-2HRS-TVH-L055Angular contact ball bearing
Bore diameter (d)
20 mm
0.787402 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
20.6 mm
0.811024 in
20.6 kN12.9 kN—12100 rpm0.153 kg153 g
FAG3204-BD-XL-2ZAngular contact ball bearing
Bore diameter (d)
20 mm
0.787402 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
20.6 mm
0.811024 in
20.6 kN12.9 kN14700 rpm12100 rpm0.154 kg154 g
FAG3204-BD-XL-2Z-C3Angular contact ball bearing
Bore diameter (d)
20 mm
0.787402 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
20.6 mm
0.811024 in
20.6 kN12.9 kN14700 rpm12100 rpm0.154 kg154 g
FAG3204-BD-XL-2Z-TVHAngular contact ball bearing
Bore diameter (d)
20 mm
0.787402 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
20.6 mm
0.811024 in
20.6 kN12.9 kN14700 rpm12100 rpm0.151 kg151 g
FAG3204-BD-XL-2Z-TVH-C3Angular contact ball bearing
Bore diameter (d)
20 mm
0.787402 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
20.6 mm
0.811024 in
20.6 kN12.9 kN14700 rpm12100 rpm0.151 kg151 g
FAG3204-BD-XL-C3Angular contact ball bearing
Bore diameter (d)
20 mm
0.787402 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
20.6 mm
0.811024 in
20.6 kN12.9 kN14700 rpm16100 rpm0.149 kg149 g
FAG3204-BD-XL-TVHAngular contact ball bearing
Bore diameter (d)
20 mm
0.787402 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
20.6 mm
0.811024 in
20.6 kN12.9 kN14700 rpm16100 rpm0.146 kg146 g
FAG3204-BD-XL-TVH-C2Angular contact ball bearing
Bore diameter (d)
20 mm
0.787402 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
20.6 mm
0.811024 in
20.6 kN12.9 kN14700 rpm16100 rpm0.146 kg146 g
FAG3204-BD-XL-TVH-C3Angular contact ball bearing
Bore diameter (d)
20 mm
0.787402 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
20.6 mm
0.811024 in
20.6 kN12.9 kN14700 rpm16100 rpm0.146 kg146 g
FAG3204-BD-XL-TVH-L285Angular contact ball bearing
Bore diameter (d)
20 mm
0.787402 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
20.6 mm
0.811024 in
20.6 kN12.9 kN14700 rpm16100 rpm0.146 kg146 g
FAG3204-BD-XL-TVH-L285-C3Angular contact ball bearing
Bore diameter (d)
20 mm
0.787402 in
Outside diameter (D)
47 mm
1.850394 in
Width (B)
20.6 mm
0.811024 in
20.6 kN12.9 kN14700 rpm16100 rpm0.146 kg146 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 3204OpenNot recordedNot recordedNot recordedNot recordedNot recorded
SKF 3204 AWithoutNot recordedNot recordedSheet metalBearing steelNone
SKF 3204 A-2RS1Seal on both sidesNot recordedNot recordedSheet metalBearing steelGrease
SKF 3204 A-2RS1/C3Seal on both sidesNot recordedNot recordedSheet metalBearing steelGrease
SKF 3204 A-2RS1/C3W64Seal on both sidesNot recordedNot recordedSheet metalBearing steelSolid Oil
SKF 3204 A-2RS1/MT33Seal on both sidesNot recordedNot recordedSheet metalBearing steelGrease
SKF 3204 A-2RS1TN9/MT33Seal on both sidesNot recordedNot recordedNon-metallicBearing steelGrease
SKF 3204 A-2ZShield on both sidesNot recordedNot recordedSheet metalBearing steelGrease
SKF 3204 A-2Z/C3Shield on both sidesNot recordedNot recordedSheet metalBearing steelGrease
SKF 3204 A-2Z/C3MT33Shield on both sidesNot recordedNot recordedSheet metalBearing steelGrease
SKF 3204 A-2Z/MT33Shield on both sidesNot recordedNot recordedSheet metalBearing steelGrease
SKF 3204 A-2ZTN9/C3MT33Shield on both sidesNot recordedNot recordedNon-metallicBearing steelGrease
SKF 3204 A-2ZTN9/MT33Shield on both sidesNot recordedNot recordedNon-metallicBearing steelGrease
SKF 3204 A/C3WithoutNot recordedNot recordedSheet metalBearing steelNone
SKF 3204 ATN9WithoutNot recordedNot recordedNon-metallicBearing steelNone
SKF 3204 ATN9/C3WithoutNot recordedNot recordedNon-metallicBearing steelNone
SKF 3204 A-ZShield on one sideNot recordedNot recordedSheet metalBearing steelNone
SKF 3204 A-ZTN9/MT33Shield on one sideNot recordedNot recordedNon-metallicBearing steelGrease
FAG 3204-BD-XLWithout — Not sealedP6 — Class 6 (ISO 492:2023)Not recordedJH — Steel sheet metalNot recordedWithout — Bearing not greased
FAG 3204-BD-XL-2HRS2HRS — Contact seal on both sidesP6 — Class 6 (ISO 492:2023)Not recordedJH — Steel sheet metalNot recordedGA13 — Ball bearing and insert bearing grease
FAG 3204-BD-XL-2HRS-C32HRS — Contact seal on both sidesP6 — Class 6 (ISO 492:2023)Not recordedJH — Steel sheet metalNot recordedGA13 — Ball bearing and insert bearing grease
FAG 3204-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 3204-BD-XL-2HRS-TVH-C22HRS — 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 3204-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 3204-BD-XL-2HRS-TVH-L0552HRS — Contact seal on both sidesP6 — Class 6 (ISO 492:2023)Not recordedTVH — Solid cage made of glass-fiber reinforced polyamide PA66Not recordedL055 — Grease (L055/customer specific)
FAG 3204-BD-XL-2Z2Z — Non-contact shield on both sidesP6 — Class 6 (ISO 492:2023)Not recordedJH — Steel sheet metalNot recordedGA13 — Ball bearing and insert bearing grease
FAG 3204-BD-XL-2Z-C32Z — Non-contact shield on both sidesP6 — Class 6 (ISO 492:2023)Not recordedJH — Steel sheet metalNot recordedGA13 — Ball bearing and insert bearing grease
FAG 3204-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 3204-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 3204-BD-XL-C3Without — Not sealedP6 — Class 6 (ISO 492:2023)Not recordedJH — Steel sheet metalNot recordedWithout — Bearing not greased
FAG 3204-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 3204-BD-XL-TVH-C2Without — Not sealedP6 — Class 6 (ISO 492:2023)Not recordedTVH — Solid cage made of glass-fiber reinforced polyamide PA66Not recordedWithout — Bearing not greased
FAG 3204-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 3204-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 3204-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

3204

Angular contact ball bearing

View full technical record →KOYO

32040JR

Tapered roller bearing

View full technical record →SKF

32040T152 X/DB31C356

Matched tapered roller bearings arranged back-to-back

View full technical record →SKF

32040T154.5 X/DB11C170

Matched tapered roller bearings arranged back-to-back

View full technical record →SKF

32040T155 X/DBC560

Matched tapered roller bearings arranged back-to-back

View full technical record →FAG

32040-X

Tapered roller bearing

View full technical record →TIMKEN

32040X

Tapered roller bearing

View full technical record →SKF

32040 X

Single row tapered roller bearing

View full technical record →FAG

32040-X>A

Tapered roller bearing

View full technical record →SKF

32040 X/DF

Matched tapered roller bearings arranged face-to-face

View full technical record →SKF

32040 X/DFC230

Matched tapered roller bearings arranged face-to-face

View full technical record →SKF

32040 X/DFC420

Matched tapered roller bearings arranged face-to-face

View full technical record →
Filter all 101 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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