MPNbase

25 mm bore bearings

56 models with a 25 mm (0.984 in) bore across 8 bearing types, outside diameters from 32 to 80 mm. Tables are grouped by type; open a model for full specs and equivalents.

56 models 32–80 mm OD range 5 brands

Angular Contact Ball Bearings (6)

Model Series d (mm) D (mm) B (mm) Brand Seal Clearance C (kN)
71805 71800 25 37 7 GENERIC-ISO open CN —
71905 71900 25 42 9 GENERIC-ISO open CN —
7005 7000 25 47 12 GENERIC-ISO open CN —
7205 7200 25 52 15 GENERIC-ISO open CN —
7305 7300 25 62 17 GENERIC-ISO open CN —
7405 7400 25 80 21 GENERIC-ISO open CN —

Cylindrical Roller Bearings (4)

Model Series d (mm) D (mm) B (mm) Brand Seal Clearance C (kN)
NU205 NU200 25 52 15 GENERIC-ISO open CN —
NU2205 NU2200 25 52 18 GENERIC-ISO open CN —
NU305 NU300 25 62 17 GENERIC-ISO open CN —
NU2305 NU2300 25 62 24 GENERIC-ISO open CN —

Deep Groove Ball Bearings (24)

Model Series d (mm) D (mm) B (mm) Brand Seal Clearance C (kN)
61805 61800 25 37 7 SKF open CN 4.36
61805-2RS 61800 25 37 7 SKF 2RS CN 4.36
61805-RSR 61800 25 37 7 SKF RSR CN 4.36
61805-ZZ 61800 25 37 7 NSK ZZ CN 4.95
61905 61900 25 42 9 SKF open CN 7.02
61905-2RS 61900 25 42 9 SKF 2RS CN 7.02
61905-RSR 61900 25 42 9 SKF RSR CN 7.02
61905-ZZ 61900 25 42 9 NSK ZZ CN 7.75
16005 16000 25 47 8 FAG open CN 8.86
6005 6000 25 47 12 SKF open CN 11.9
6005-2RS 6000 25 47 12 SKF 2RS CN 11.9
6005-RSR 6000 25 47 12 SKF RSR CN 11.9
6005-ZZ 6000 25 47 12 SKF ZZ CN 11.9
6205 6200 25 52 15 SKF open CN 14.8
6205-2RS 6200 25 52 15 SKF 2RS CN 14.8
6205-RSR 6200 25 52 15 SKF RSR CN 14.8
6205-ZZ 6200 25 52 15 SKF ZZ CN 14.8
6305 6300 25 62 17 SKF open CN 23.4
6305-2RS 6300 25 62 17 SKF 2RS CN 23.4
6305-RSR 6300 25 62 17 SKF RSR CN 23.4
6305-ZZ 6300 25 62 17 SKF ZZ CN 23.4
6405 6400 25 80 21 SKF open CN 35.8
6405-2RS 6400 25 80 21 GENERIC-ISO 2RS CN 35.8
6405-ZZ 6400 25 80 21 NTN ZZ CN 38.5

Needle Roller Bearings (5)

Model Series d (mm) D (mm) B (mm) Brand Seal Clearance C (kN)
HK2512F HK 25 32 12 NTN open — 11.1
HK2516F HK 25 32 16 NTN open — 15.9
HK2520 HK 25 32 20 NTN open — 20.3
HK2526C HK 25 32 26 NTN open — 26.4
HK2538ZWD HK 25 32 38 NTN open — 35

Self-Aligning Ball Bearings (8)

Model Series d (mm) D (mm) B (mm) Brand Seal Clearance C (kN)
1205 1200 25 52 15 NTN open — 12.2
1205K 1200 25 52 15 NTN open — 12.2
2205 2200 25 52 18 NTN open — 12.4
2205K 2200 25 52 18 NTN open — 12.4
1305 1300 25 62 17 NTN open — 18.2
1305K 1300 25 62 17 NTN open — 18.2
2305 2300 25 62 24 NTN open — 24.9
2305K 2300 25 62 24 NTN open — 24.9

Spherical Roller Bearings (1)

Model Series d (mm) D (mm) B (mm) Brand Seal Clearance C (kN)
22205 22200 25 52 18 GENERIC-ISO open CN —

Tapered Roller Bearings (4)

Model Series d (mm) D (mm) B (mm) Brand Seal Clearance C (kN)
32005 32000 25 47 15 GENERIC-ISO open CN —
30205 30200 25 52 16.25 GENERIC-ISO open CN —
32205 32200 25 52 19.25 GENERIC-ISO open CN —
32305 32300 25 62 25.25 GENERIC-ISO open CN —

Thrust Ball Bearings (4)

Model Series d (mm) D (mm) B (mm) Brand Seal Clearance C (kN)
51105 51100 25 42 11 NTN open — 15.2
51205 51200 25 47 15 NTN open — 26
51305 51300 25 52 18 NTN open — 35.5
51405 51400 25 60 24 NTN open — 55.5

Exact-dimension interchange groups at 25 mm bore

These d×D×B envelopes at a 25 mm bore are shared by several series or brands — the starting point for a dimensional cross reference:

Selecting a 25 mm bore bearing

The bore fixes the shaft, not the bearing capacity. At 25 mm the catalog spans 32–80 mm outside diameter: the light sections suit compact housings and moderate duty, while the larger ODs use bigger rolling elements and carry substantially more load. Select first by the required dynamic load rating C for the calculated L10 life, then by available radial space.

For a rotating inner ring a k5 shaft seat with an H7 housing is the usual starting point; an interference fit plus thermal growth consumes internal clearance, so C3 is the common industrial default rather than CN. Sealed variants (-2RS, -ZZ) trade a small amount of speed for contamination protection and maintenance-free operation — compare the sealed and open versions of the same envelope before substituting one for the other.

Frequently asked questions

What bearings have a 25 mm bore?

This index lists 56 verified bearing models with a 25 mm (0.984 in) bore across 8 bearing types, from 32 to 80 mm outside diameter. Open any model for the full specification table, seal/clearance options and graded cross references.

How do I choose between the 32–80 mm OD options for a 25 mm shaft?

On a fixed 25 mm bore, a smaller outside diameter means a lighter section for limited housing space and moderate load; a larger OD with a wider ring carries more radial and axial load and lasts longer at the same duty. Compare the C dynamic load rating in each model table, then match seal type, internal clearance (CN/C3/C4) and precision class to the actual mounting and operating temperature.

What shaft fit and bore code apply to 25 mm bearings?

A 25 mm bore on a rotating inner ring normally uses a k5 shaft seat with an H7 housing bore (verify against the catalogue for heavy or stationary-ring duty). In the ISO designation system 25 mm is bore code 05 (code × 5), so a 62-series bearing with this bore is the 6205.