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6907 bearing dimensions & suffix variants

Look up recorded dimensions for designations beginning with 6907. The table retains complete manufacturer designations so special suffixes and different dimensional variants remain visible.

On this page6 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.

Source-labelled catalogue reference

6907 — PEER catalogue dimensions

Independent technical reference from PEER’s historical 2009 sheets; checked 2026-10-03. These are catalogue records, not current-stock claims or replacement approvals. Printed units are kept separate.

PEER nominal envelope — d is bore, D is outside diameter, B is width
Full catalogue modeld×D×B (mm)d×D×B (in)Closed width / execution scope
PEER · 6900 series690735×55×10 mmPrinted metric row1.3780×2.1654×.3937 inBase designation only; complete closure execution must be checked

Read ratings without transferring them to another execution

Cr and Cor are catalogue basic load ratings, not allowable application loads. Oil/grease values below are explicitly for open bearings where supplied. They are not sealed-bearing or machine operating-speed approvals. A dash means withheld or not established here.

Published PEER ratings — N and r/min
ModelDynamic Cr / static CorOpen: oil / greaseEvidence boundary
690711165 / 7429 N15000 / 12000 r/minBase-row catalogue values only; no cross-brand transfer.

Printed decimal conversions inherit catalogue rounding; more decimal places do not create manufacturing accuracy. Special bores must not be rounded to a nearby metric bearing. The historical table does not establish an exact RS/2RS, NR, ABEC, C3, ceramic, vehicle or kit execution unless explicitly listed. No CAD or interchange approval is implied.

Exact model evidence

6907 dimensions and recorded technical data

The recorded 6907 base designation measures 35×55×10 mm (inside diameter d × outside diameter D × width B). This answer uses unsuffixed records from NSK, KOYO, NACHI, NTN, EZO. 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. 19 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)
NSK6907Deep groove ball bearing
Bore diameter (d)
35 mm
1.377953 in
Outside diameter (D)
55 mm
2.165354 in
Bearing width (B)
10 mm
0.393701 in
11.6 kN7.25 kN——0.075 kg75 g
KOYO6907Deep groove ball bearing
Bore diameter (d)
35 mm
1.377953 in
Outside diameter (D)
55 mm
2.165354 in
Width (B)
10 mm
0.393701 in
13.6 kN7.75 kN—12000 rpmLimiting Speeds(Grease Lub.): 12000 min-1Limiting Speeds(Oil Lub.): 14000 min-10.073 kg73 g
NACHI6907Deep groove ball bearing
Bore diameter (d)
35 mm
1.377953 in
Outside diameter (D)
55 mm
2.165354 in
Bearing width (B)
10 mm
0.393701 in
13.1 kN7.15 kN——0.073 kg73 g
NTN6907Deep groove ball bearing
Internal diameter (d)
35 mm
1.377953 in
External diameter (D)
55 mm
2.165354 in
Bearing/Inner ring width (B)
10 mm
0.393701 in
10.6 kN6.85 kN——0.074 kg74 g
EZO6907Deep groove ball bearing
Bore diameter (d)
35 mm
1.377953 in
Outer diameter (D)
55 mm
2.165354 in
Inner ring width (B)
10 mm
0.393701 in
10.9 kN7.75 kN——0.0692 kg69.2 g
NSK6907DDUDeep groove ball bearing
Bore diameter (d)
35 mm
1.377953 in
Outside diameter (D)
55 mm
2.165354 in
Bearing width (B)
10 mm
0.393701 in
11.6 kN7.25 kN———
NSK6907VVDeep groove ball bearing
Bore diameter (d)
35 mm
1.377953 in
Outside diameter (D)
55 mm
2.165354 in
Bearing width (B)
10 mm
0.393701 in
11.6 kN7.25 kN———
NSK6907ZZDeep groove ball bearing
Bore diameter (d)
35 mm
1.377953 in
Outside diameter (D)
55 mm
2.165354 in
Bearing width (B)
10 mm
0.393701 in
11.6 kN7.25 kN———
KOYO6907 2RDDeep groove ball bearing
Bore diameter (d)
35 mm
1.377953 in
Outside diameter (D)
55 mm
2.165354 in
Width (B)
10 mm
0.393701 in
13.6 kN7.75 kN—11000 rpmLimiting Speeds(Grease Lub.): 11000 min-10.073 kg73 g
KOYO6907 2RSDeep groove ball bearing
Bore diameter (d)
35 mm
1.377953 in
Outside diameter (D)
55 mm
2.165354 in
Width (B)
10 mm
0.393701 in
13.6 kN7.75 kN—6800 rpmLimiting Speeds(Grease Lub.): 6800 min-10.073 kg73 g
KOYO6907 2RUDeep groove ball bearing
Bore diameter (d)
35 mm
1.377953 in
Outside diameter (D)
55 mm
2.165354 in
Width (B)
10 mm
0.393701 in
13.6 kN7.75 kN—12000 rpmLimiting Speeds(Grease Lub.): 12000 min-10.073 kg73 g
KOYO6907NRDeep groove ball bearing
Bore diameter (d)
35 mm
1.377953 in
Outside diameter (D)
55 mm
2.165354 in
Width (B)
10 mm
0.393701 in
13.6 kN7.75 kN—12000 rpmLimiting Speeds(Grease Lub.): 12000 min-1Limiting Speeds(Oil Lub.): 14000 min-10.073 kg73 g
KOYO6907 ZZDeep groove ball bearing
Bore diameter (d)
35 mm
1.377953 in
Outside diameter (D)
55 mm
2.165354 in
Width (B)
10 mm
0.393701 in
13.6 kN7.75 kN—12000 rpmLimiting Speeds(Grease Lub.): 12000 min-10.073 kg73 g
NACHI6907-2NKEDeep groove ball bearing
Bore diameter (d)
35 mm
1.377953 in
Outside diameter (D)
55 mm
2.165354 in
Bearing width (B)
10 mm
0.393701 in
13.1 kN7.15 kN———
NACHI6907-2NSEDeep groove ball bearing
Bore diameter (d)
35 mm
1.377953 in
Outside diameter (D)
55 mm
2.165354 in
Bearing width (B)
10 mm
0.393701 in
13.1 kN7.15 kN———
NACHI6907NKEDeep groove ball bearing
Bore diameter (d)
35 mm
1.377953 in
Outside diameter (D)
55 mm
2.165354 in
Bearing width (B)
10 mm
0.393701 in
13.1 kN7.15 kN———
NACHI6907NSEDeep groove ball bearing
Bore diameter (d)
35 mm
1.377953 in
Outside diameter (D)
55 mm
2.165354 in
Bearing width (B)
10 mm
0.393701 in
13.1 kN7.15 kN———
NACHI6907ZEDeep groove ball bearing
Bore diameter (d)
35 mm
1.377953 in
Outside diameter (D)
55 mm
2.165354 in
Bearing width (B)
10 mm
0.393701 in
13.1 kN7.15 kN———
NACHI6907ZZEDeep groove ball bearing
Bore diameter (d)
35 mm
1.377953 in
Outside diameter (D)
55 mm
2.165354 in
Bearing width (B)
10 mm
0.393701 in
13.1 kN7.15 kN———
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
NSK 6907OpenNot recordedNot recordedNot recordedNot recordedNot recorded
KOYO 6907OpenNot recordedNot recordedNot recordedNot recordedNot recorded
NACHI 6907OpenNot recordedNot recordedNot recordedNot recordedNot recorded
NTN 6907openNot recordedCNpressed steel cageNot recordedNot recorded
EZO 6907Open (no closure suffix in this catalogue marking)Not recordedNot recordedNot recordedHigh-carbon chromium bearing steelNot recorded
NSK 6907DDUContact rubber seals on both sidesNot recordedNot recordedNot recordedNot recordedNot recorded
NSK 6907VVNon-contact rubber seals on both sidesNot recordedNot recordedNot recordedNot recordedNot recorded
NSK 6907ZZMetal shields on both sidesNot recordedNot recordedNot recordedNot recordedNot recorded
KOYO 6907 2RDExtremely light contact sealedNot recordedNot recordedNot recordedNot recordedNot recorded
KOYO 6907 2RSContact sealedNot recordedNot recordedNot recordedNot recordedNot recorded
KOYO 6907 2RUNon-contact sealedNot recordedNot recordedNot recordedNot recordedNot recorded
KOYO 6907NRNot recordedNot recordedNot recordedNot recordedNot recordedNot recorded
KOYO 6907 ZZShielded ZZNot recordedNot recordedNot recordedNot recordedNot recorded
NACHI 6907-2NKETwo non-contact sealsNot recordedNot recordedNot recordedNot recordedNot recorded
NACHI 6907-2NSETwo contact sealsNot recordedNot recordedNot recordedNot recordedNot recorded
NACHI 6907NKEOne non-contact sealNot recordedNot recordedNot recordedNot recordedNot recorded
NACHI 6907NSEOne contact sealNot recordedNot recordedNot recordedNot recordedNot recorded
NACHI 6907ZEOne shieldNot recordedNot recordedNot recordedNot recordedNot recorded
NACHI 6907ZZETwo shieldsNot 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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