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19.05 mm bore bearings

10 models with a 19.05 mm (0.750 in) bore across 2 bearing types, outside diameters from 39.992 to 56.896 mm. Tables are grouped by type; open a model for full specs and equivalents.

10 models 39.992–56.896 mm OD range 2 brands

Insert Bearings (Y-bearings) (1)

Model Series d (mm) D (mm) B (mm) Brand Seal Clearance C (kN)
YSA-205-2FK-HE-2305 YSA2 19.05 52 24 SKF 2RS CN 14

Tapered Roller Bearings (9)

Model Series d (mm) D (mm) B (mm) Brand Seal Clearance C (kN)
A6075-A6157 4t-inch 19.05 39.992 12.014 NTN open CN 14.2
LM11949-910 LM11900 19.05 45.237 15.494 SKF open CN 33.8
LM11949-LM11910 4t-inch 19.05 45.237 15.494 NTN open CN 31.5
05075-05185 4t-inch 19.05 47 14.381 NTN open CN 26.6
09067-09195 4t-inch 19.05 49.225 18.034 NTN open CN 42.5
09078-09195 4t-inch 19.05 49.225 19.845 NTN open CN 42.5
09067-09196 4t-inch 19.05 49.225 21.209 NTN open CN 42.5
21075-21212 4t-inch 19.05 53.975 22.225 NTN open CN 44.5
1775-1729 4t-inch 19.05 56.896 19.368 NTN open CN 47.5

Selecting a 19.05 mm bore bearing

The bore fixes the shaft, not the bearing capacity. At 19.05 mm the catalog spans 39.992–56.896 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 19.05 mm bore?

This index lists 10 verified bearing models with a 19.05 mm (0.750 in) bore across 2 bearing types, from 39.992 to 56.896 mm outside diameter. Open any model for the full specification table, seal/clearance options and graded cross references.

How do I choose between the 39.992–56.896 mm OD options for a 19.05 mm shaft?

On a fixed 19.05 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 19.05 mm bearings?

A 19.05 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). Bore diameters below 20 mm follow the 10/12/15/17 mm exception table rather than code × 5.