MPNbase

100×180×46 mm bearings

23 models from 3 brands across 4 types share this ISO 15 envelope: 100 mm bore, 180 mm outside diameter, 46 mm width (3.937×7.087×1.811 in), 40 mm radial section.

23 models fit this space 3 brands 23 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)
2220 Self-Aligning Ball NTN open — 94.5 38.5 4710
2220-K Self-Aligning Ball SKF open CN 97.5 40.5 5000
2220K Self-Aligning Ball NTN open — 94.5 38.5 4710
22220 Spherical Roller SKF open CN 433 490 4900
22220-EK Spherical Roller SKF open CN 433 490 6400
22220EAD1 Spherical Roller NTN open CN 472 495 4900
22220EAKD1 Spherical Roller NTN open CN 472 495 4800
22220EMD1 Spherical Roller NTN open CN 472 495 5020
22220EMKD1 Spherical Roller NTN open CN 472 495 4930
C2220 CARB Toroidal Roller SKF open CN 415 465 4950
C2220-K CARB Toroidal Roller SKF open CN 415 465 4950
N2220 Cylindrical Roller NTN open CN 286 340 4480
NJ2220 Cylindrical Roller NTN open CN 286 340 4480
NJ2220-ECP Cylindrical Roller SKF open CN 380 450 4800
NJ2220E Cylindrical Roller NTN open CN 370 445 —
NU2220 Cylindrical Roller NTN open CN 286 340 4480
NU2220-ECP Cylindrical Roller SKF open CN 380 450 4750
NU2220E Cylindrical Roller NTN open CN 370 445 —
NUH2220-ECMH Cylindrical Roller SKF open CN 400 475 5100
NUP2220 Cylindrical Roller NTN open CN 286 340 4480
NUP2220-ECP Cylindrical Roller SKF open CN 380 450 4800
NUP2220E Cylindrical Roller NTN open CN 370 445 —
SL182220 Cylindrical Roller FAG open CN 390 510 5130

Note: catalogue dynamic load ratings for this envelope span 94.5– 472.0 kN — a 399% spread between designs in the very same 100×180×46 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 100 mm bore bearings for wider or narrower sections, or open a model page for naming-rule decode, applications and graded cross references: 2220, 2220-K, 2220K, 22220, 22220-EK, 22220EAD1, 22220EAKD1, 22220EMD1, 22220EMKD1, C2220, C2220-K, N2220, NJ2220, NJ2220-ECP, NJ2220E, NU2220, NU2220-ECP, NU2220E, NUH2220-ECMH, NUP2220, NUP2220-ECP, NUP2220E, SL182220.

Frequently asked questions

Are all 100×180×46 mm bearings interchangeable?

They share the same ISO 15 boundary dimensions — 100 mm bore, 180 mm OD, 46 mm width (3.937×7.087×1.811 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 23 models listed here and must be checked against the duty before substitution.

Is it a drop-in replacement if two bearings both measure 100×180×46?

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 100×180×46 mm in inches?

100×180×46 mm converts to 3.937×7.087×1.811 in, with a 40 mm (1.575 in) radial section height. These are the ISO 15 general-plan envelope dimensions shared across manufacturers, which is why models such as 2220, 2220-K, 2220K mount in the same space despite different internal designs.