MPNbase

130×230×40 mm bearings

28 models from 4 brands across 3 types share this ISO 15 envelope: 130 mm bore, 230 mm outside diameter, 40 mm width (5.118×9.055×1.575 in), 50 mm radial section.

28 models fit this space 4 brands 28 with catalogue C rating

Dimensional interchange — verify before substituting

These bearings are interchangeable on boundary dimensions per ISO 15 — same bore, OD and width. They are not guaranteed drop-in equivalents: compare load ratings, seals, clearance, cage, precision and axial-locating design for the specific duty. Models without a catalogue C rating on this site carry ISO 15 geometry only; request the manufacturer table before a load-critical replacement.

Model Type Brand Seal Clearance C (kN) C0 (kN) Mass (g)
6226 Deep Groove Ball SKF open CN 156 132 5850
6226-2RS Deep Groove Ball SKF 2RS CN 156 132 6000
6226-2RS-NTN Deep Groove Ball NTN 2RS CN 185 146 5820
6226-FAG Deep Groove Ball FAG open CN 177 146 6110
6226-M Deep Groove Ball SKF open CN 156 132 6950
6226-NSK Deep Groove Ball NSK open CN 184 146 5960
6226-NTN Deep Groove Ball NTN open CN 185 146 5820
6226-ZZ Deep Groove Ball SKF ZZ CN 156 132 6000
6226-ZZ-FAG Deep Groove Ball FAG ZZ CN 177 146 6120
6226-ZZ-NSK Deep Groove Ball NSK ZZ CN 184 146 5960
6226-ZZ-NTN Deep Groove Ball NTN ZZ CN 185 146 5820
7226 Angular Contact Ball NTN open CN 217 198 7150
7226-BCBM Angular Contact Ball SKF open CN 186 193 6950
7226-BM Angular Contact Ball SKF open CN 186 193 6950
7226B Angular Contact Ball NTN open CN 196 180 7150
N226 Cylindrical Roller NTN open CN 300 340 6170
N226-ECP Cylindrical Roller SKF open CN 415 455 6450
NF226 Cylindrical Roller NTN open CN 300 340 6170
NJ226 Cylindrical Roller NTN open CN 300 340 6170
NJ226-ECP Cylindrical Roller SKF open CN 415 455 6600
NJ226E Cylindrical Roller NTN open CN 405 455 —
NU226 Cylindrical Roller NTN open CN 300 340 6170
NU226-ECP Cylindrical Roller SKF open CN 415 455 6450
NU226E Cylindrical Roller NTN open CN 405 455 —
NUP226 Cylindrical Roller NTN open CN 300 340 6170
NUP226-ECJ Cylindrical Roller SKF open CN 415 455 6500
NUP226E Cylindrical Roller NTN open CN 405 455 —
QJ-226-N2MA Angular Contact Ball SKF open CN 310 400 7750

Note: catalogue dynamic load ratings for this envelope span 156.0– 415.0 kN — a 166% spread between designs in the very same 130×230×40 mm space. The higher-rated unit is not an upgrade for every duty (it may run at lower limiting speed), but ignoring the gap will over- or under-life the replacement.

Substitution verification checklist

  1. Load rating. Check C (dynamic) and C0 (static) against the original life calculation — the table above shows which models carry verified catalogue values.
  2. Sealing. Open, -ZZ shields and -2RS contact seals are not equivalent in friction, speed or contamination protection; match the housing environment, not just the suffix on the old box.
  3. Internal clearance. CN/C3/C4 changes with fit and operating temperature; an interference inner-ring mount commonly needs C3 where the bench bearing ran CN.
  4. Cage and precision. Stamped steel, machined brass and polymer cages, and P0/P6/P5 tolerance classes, carry different speed and shock limits.
  5. Locating behaviour. Within one envelope an NU cylindrical roller floats axially while an NJ/NUP locates; ball designs take thrust that roller locating schemes do not. Preserve the shaft's locating arrangement.

Browse all 130 mm bore bearings for wider or narrower sections, or open a model page for naming-rule decode, applications and graded cross references: 6226, 6226-2RS, 6226-2RS-NTN, 6226-FAG, 6226-M, 6226-NSK, 6226-NTN, 6226-ZZ, 6226-ZZ-FAG, 6226-ZZ-NSK, 6226-ZZ-NTN, 7226, 7226-BCBM, 7226-BM, 7226B, N226, N226-ECP, NF226, NJ226, NJ226-ECP, NJ226E, NU226, NU226-ECP, NU226E, NUP226, NUP226-ECJ, NUP226E, QJ-226-N2MA.

Frequently asked questions

Are all 130×230×40 mm bearings interchangeable?

They share the same ISO 15 boundary dimensions — 130 mm bore, 230 mm OD, 40 mm width (5.118×9.055×1.575 in) — so they fit the same shaft, housing bore and axial space. Interchangeability ends at the envelope: dynamic load rating, seal arrangement, internal clearance, cage and precision class differ between the 28 models listed here and must be checked against the duty before substitution.

Is it a drop-in replacement if two bearings both measure 130×230×40?

Only after verification. Confirm five things in order: (1) the C/C0 load ratings meet the original life calculation, (2) the seal type is equivalent or acceptable for the contamination level (open vs -ZZ vs -2RS), (3) internal clearance matches (CN/C3/C4 — an interference fit changes residual play), (4) cage material and precision class suit the speed, and (5) the axial-locating behaviour is the same (for example an NU cylindrical roller floats while an NJ locates one way). Same dimensions alone never guarantee equal performance.

What is 130×230×40 mm in inches?

130×230×40 mm converts to 5.118×9.055×1.575 in, with a 50 mm (1.969 in) radial section height. These are the ISO 15 general-plan envelope dimensions shared across manufacturers, which is why models such as 6226, 6226-2RS, 6226-2RS-NTN mount in the same space despite different internal designs.