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6328 bearing dimensions & suffix variants

Look up recorded dimensions for designations beginning with 6328. The table retains complete manufacturer designations so special suffixes and different dimensional variants remain visible.

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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

6328 dimensions and recorded technical data

This base designation has conflicting recorded dimensions. Choose the complete brand and designation below. A single dimensional answer would hide a real difference between records.

The numeric series boundary is preserved: a longer number is not included merely because its first digits match. 28 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)
SKF6328Deep groove ball bearing
Bore diameter (d)
140 mm
5.511811 in
Outside diameter (D)
300 mm
11.811024 in
Width (B)
62 mm
2.440945 in
251 kN245 kN4800 rpm3000 rpm18.6 kg18600 g
NSK6328Deep groove ball bearing
Bore diameter (d)
140 mm
5.511811 in
Outside diameter (D)
300 mm
11.811024 in
Bearing width (B)
62 mm
2.440945 in
278 kN246 kN——18.5 kg18500 g
KOYO63/28Deep groove ball bearing
Bore diameter (d)
28 mm
1.102362 in
Outside diameter (D)
68 mm
2.677165 in
Width (B)
18 mm
0.708661 in
29.4 kN13.1 kN—10000 rpmLimiting Speeds(Grease Lub.): 10000 min-1Limiting Speeds(Oil Lub.): 12000 min-10.328 kg328 g
KOYO6328Deep groove ball bearing
Bore diameter (d)
140 mm
5.511811 in
Outside diameter (D)
300 mm
11.811024 in
Width (B)
62 mm
2.440945 in
316 kN246 kN—2100 rpmLimiting Speeds(Grease Lub.): 2100 min-1Limiting Speeds(Oil Lub.): 2500 min-119.4 kg19400 g
NACHI63/28Deep groove ball bearing
Bore diameter (d)
28 mm
1.102362 in
Outside diameter (D)
68 mm
2.677165 in
Bearing width (B)
18 mm
0.708661 in
33.5 kN14 kN——0.287 kg287 g
SKF6328/C3Deep groove ball bearing
Recorded bore (d)
140 mm
5.511811 in
Recorded outside dimension (D)
300 mm
11.811024 in
Catalogue width (symbol unverified)
62 mm
2.440945 in
251 kN245 kN4800 rpm3000 rpm18.6 kg18600 g
SKF6328/C3VL2071INSOCOAT® deep groove ball bearing
Bore diameter (d)
140 mm
5.511811 in
Outside diameter (D)
300 mm
11.811024 in
Width (B)
62 mm
2.440945 in
265 kN245 kN4800 rpm3000 rpm18.2 kg18200 g
SKF6328/HC5C3S0VA970Hybrid ceramic deep groove ball bearing for wind turbine generators
Bore diameter (d)
140 mm
5.511811 in
Outside diameter (D)
300 mm
11.811024 in
Width (B)
62 mm
2.440945 in
251 kN245 kN5600 rpm3600 rpm16.4 kg16400 g
SKF6328 MDeep groove ball bearing
Bore diameter (d)
140 mm
5.511811 in
Outside diameter (D)
300 mm
11.811024 in
Width (B)
62 mm
2.440945 in
251 kN245 kN4800 rpm4300 rpm20.6 kg20600 g
SKF6328 M/C3Deep groove ball bearing
Recorded bore (d)
140 mm
5.511811 in
Recorded outside dimension (D)
300 mm
11.811024 in
Catalogue width (symbol unverified)
62 mm
2.440945 in
251 kN245 kN4800 rpm4300 rpm20.6 kg20600 g
SKF6328 M/C3VL2071INSOCOAT® deep groove ball bearing
Bore diameter (d)
140 mm
5.511811 in
Outside diameter (D)
300 mm
11.811024 in
Width (B)
62 mm
2.440945 in
265 kN245 kN4800 rpm4300 rpm21.3 kg21300 g
FAG6328-C3Deep groove ball bearing
Bore diameter (d)
140 mm
5.511811 in
Outside diameter (D)
300 mm
11.811024 in
Width (B)
62 mm
2.440945 in
270 kN246 kN3250 rpm2950 rpm18.6 kg18600 g
FAG6328-J20C-C3Deep groove ball bearing
Bore diameter (d)
140 mm
5.511811 in
Outside diameter (D)
300 mm
11.811024 in
Width (B)
62 mm
2.440945 in
270 kN246 kN3250 rpm2950 rpm18.6 kg18600 g
FAG6328-MDeep groove ball bearing
Bore diameter (d)
140 mm
5.511811 in
Outside diameter (D)
300 mm
11.811024 in
Width (B)
62 mm
2.440945 in
270 kN246 kN3250 rpm3850 rpm21.767 kg21767 g
FAG6328-M-C3Deep groove ball bearing
Bore diameter (d)
140 mm
5.511811 in
Outside diameter (D)
300 mm
11.811024 in
Width (B)
62 mm
2.440945 in
270 kN246 kN3250 rpm3850 rpm21.767 kg21767 g
FAG6328-M-C4Deep groove ball bearing
Bore diameter (d)
140 mm
5.511811 in
Outside diameter (D)
300 mm
11.811024 in
Width (B)
62 mm
2.440945 in
270 kN246 kN3250 rpm3850 rpm21.767 kg21767 g
FAG6328-M-J20AADeep groove ball bearing
Bore diameter (d)
140 mm
5.511811 in
Outside diameter (D)
300 mm
11.811024 in
Width (B)
62 mm
2.440945 in
270 kN246 kN3250 rpm3850 rpm21.9 kg21900 g
FAG6328-M-J20AA-C3Deep groove ball bearing
Bore diameter (d)
140 mm
5.511811 in
Outside diameter (D)
300 mm
11.811024 in
Width (B)
62 mm
2.440945 in
270 kN246 kN3250 rpm3850 rpm21.9 kg21900 g
FAG6328-M-J20AA-C4Deep groove ball bearing
Bore diameter (d)
140 mm
5.511811 in
Outside diameter (D)
300 mm
11.811024 in
Width (B)
62 mm
2.440945 in
270 kN246 kN3250 rpm3850 rpm21.9 kg21900 g
FAG6328-M-J20ABDeep groove ball bearing
Bore diameter (d)
140 mm
5.511811 in
Outside diameter (D)
300 mm
11.811024 in
Width (B)
62 mm
2.440945 in
270 kN246 kN3250 rpm3850 rpm21.9 kg21900 g
FAG6328-M-J20AB-C3Deep groove ball bearing
Bore diameter (d)
140 mm
5.511811 in
Outside diameter (D)
300 mm
11.811024 in
Width (B)
62 mm
2.440945 in
270 kN246 kN3250 rpm3850 rpm21.9 kg21900 g
FAG6328-M-J20CDeep groove ball bearing
Bore diameter (d)
140 mm
5.511811 in
Outside diameter (D)
300 mm
11.811024 in
Width (B)
62 mm
2.440945 in
270 kN246 kN3250 rpm3850 rpm22.1 kg22100 g
FAG6328-M-J20C-C3Deep groove ball bearing
Bore diameter (d)
140 mm
5.511811 in
Outside diameter (D)
300 mm
11.811024 in
Width (B)
62 mm
2.440945 in
270 kN246 kN3250 rpm3850 rpm22 kg22000 g
FAG6328-M-J20GB-C3Deep groove ball bearing
Bore diameter (d)
140 mm
5.511811 in
Outside diameter (D)
300 mm
11.811024 in
Width (B)
62 mm
2.440945 in
270 kN246 kN3250 rpm3850 rpm21.9 kg21900 g
FAG6328-M-J20GB-C4Deep groove ball bearing
Bore diameter (d)
140 mm
5.511811 in
Outside diameter (D)
300 mm
11.811024 in
Width (B)
62 mm
2.440945 in
270 kN246 kN3250 rpm3850 rpm21.9 kg21900 g
FAG6328-M-J20GB-R152-203Deep groove ball bearing
Bore diameter (d)
140 mm
5.511811 in
Outside diameter (D)
300 mm
11.811024 in
Width (B)
62 mm
2.440945 in
270 kN246 kN3250 rpm3850 rpm21.9 kg21900 g
NSK6328ZZSDeep groove ball bearing
Bore diameter (d)
140 mm
5.511811 in
Outside diameter (D)
300 mm
11.811024 in
Bearing width (B)
62 mm
2.440945 in
278 kN246 kN———
KOYO6328 ZZXDeep groove ball bearing
Bore diameter (d)
140 mm
5.511811 in
Outside diameter (D)
300 mm
11.811024 in
Width (B)
62 mm
2.440945 in
316 kN246 kN—2100 rpmLimiting Speeds(Grease Lub.): 2100 min-119.4 kg19400 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
SKF 6328WithoutNormalCNSheet metalBearing steelNone
NSK 6328OpenNot recordedNot recordedNot recordedNot recordedNot recorded
KOYO 63/28OpenNot recordedNot recordedNot recordedNot recordedNot recorded
KOYO 6328OpenNot recordedNot recordedNot recordedNot recordedNot recorded
NACHI 63/28OpenNot recordedNot recordedNot recordedNot recordedNot recorded
SKF 6328/C3WithoutNot recordedC3Sheet metalBearing steelNone
SKF 6328/C3VL2071WithoutNot recordedC3Sheet metalBearing steelNone
SKF 6328/HC5C3S0VA970WithoutNot recordedC3Sheet metalHybrid (ceramic balls)None
SKF 6328 MWithoutNormalCNMachined brassBearing steelNone
SKF 6328 M/C3WithoutNot recordedC3Machined brassBearing steelNone
SKF 6328 M/C3VL2071WithoutNot recordedC3Machined brassBearing steelNone
FAG 6328-C3Without — Not sealedPN — Normal (ISO 492:2023)C3 (Group 3) — Internal clearance larger than CNJN — Steel sheet metalNot recordedWithout — Bearing not greased
FAG 6328-J20C-C3Without — Not sealedPN — Normal (ISO 492:2023)C3 (Group 3) — Internal clearance larger than CNJN — Steel sheet metalNot recordedWithout — Bearing not greased
FAG 6328-MWithout — Not sealedPN — Normal (ISO 492:2023)CN (Group N) — Normal internal clearanceM — Solid brass cage, rolling element guidedNot recordedWithout — Bearing not greased
FAG 6328-M-C3Without — Not sealedPN — Normal (ISO 492:2023)C3 (Group 3) — Internal clearance larger than CNM — Solid brass cage, rolling element guidedNot recordedWithout — Bearing not greased
FAG 6328-M-C4Without — Not sealedPN — Normal (ISO 492:2023)C4 (Group 4) — Internal clearance larger than C3M — Solid brass cage, rolling element guidedNot recordedWithout — Bearing not greased
FAG 6328-M-J20AAWithout — Not sealedPN — Normal (ISO 492:2023)CN (Group N) — Normal internal clearanceM — Solid brass cage, rolling element guidedNot recordedWithout — Bearing not greased
FAG 6328-M-J20AA-C3Without — Not sealedPN — Normal (ISO 492:2023)C3 (Group 3) — Internal clearance larger than CNM — Solid brass cage, rolling element guidedNot recordedWithout — Bearing not greased
FAG 6328-M-J20AA-C4Without — Not sealedPN — Normal (ISO 492:2023)C4 (Group 4) — Internal clearance larger than C3M — Solid brass cage, rolling element guidedNot recordedWithout — Bearing not greased
FAG 6328-M-J20ABWithout — Not sealedPN — Normal (ISO 492:2023)CN (Group N) — Normal internal clearanceM — Solid brass cage, rolling element guidedNot recordedWithout — Bearing not greased
FAG 6328-M-J20AB-C3Without — Not sealedPN — Normal (ISO 492:2023)C3 (Group 3) — Internal clearance larger than CNM — Solid brass cage, rolling element guidedNot recordedWithout — Bearing not greased
FAG 6328-M-J20CWithout — Not sealedPN — Normal (ISO 492:2023)CN (Group N) — Normal internal clearanceM — Solid brass cage, rolling element guidedNot recordedWithout — Bearing not greased
FAG 6328-M-J20C-C3Without — Not sealedPN — Normal (ISO 492:2023)C3 (Group 3) — Internal clearance larger than CNM — Solid brass cage, rolling element guidedNot recordedWithout — Bearing not greased
FAG 6328-M-J20GB-C3Without — Not sealedPN — Normal (ISO 492:2023)C3 (Group 3) — Internal clearance larger than CNM — Solid brass cage, rolling element guidedNot recordedWithout — Bearing not greased
FAG 6328-M-J20GB-C4Without — Not sealedPN — Normal (ISO 492:2023)C4 (Group 4) — Internal clearance larger than C3M — Solid brass cage, rolling element guidedNot recordedWithout — Bearing not greased
FAG 6328-M-J20GB-R152-203Without — Not sealedPN — Normal (ISO 492:2023)R$-$ — Special radial internal clearance in µmM — Solid brass cage, rolling element guidedNot recordedWithout — Bearing not greased
NSK 6328ZZSShielded ZZS catalogue typeNot recordedNot recordedNot recordedNot recordedNot recorded
KOYO 6328 ZZXShielded ZZNot 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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