710 mm bore bearings
20 models with a 710 mm (27.953 in) bore across 4 bearing types, outside diameters from 870 to 1220 mm. Tables are grouped by type; open a model for full specs and equivalents.
20 models 870–1220 mm OD range 1 brand
| Model | Series | d (mm) | D (mm) | B (mm) | Brand | Seal | Clearance | C (kN) |
|---|---|---|---|---|---|---|---|---|
| C39-710-KM | C3900 | 710 | 950 | 180 | SKF | open | CN | 6000 |
| C39-710-M | C3900 | 710 | 950 | 180 | SKF | open | CN | 6000 |
| C30-710-KM | C3000 | 710 | 1030 | 236 | SKF | open | CN | 8800 |
| C30-710-M | C3000 | 710 | 1030 | 236 | SKF | open | CN | 8800 |
| C40-710-K30M | C4000 | 710 | 1030 | 315 | SKF | open | CN | 10600 |
| C40-710-M | C4000 | 710 | 1030 | 315 | SKF | open | CN | 10600 |
| C31-710-KMB | C3100 | 710 | 1150 | 345 | SKF | open | CN | 13400 |
| C31-710-MB | C3100 | 710 | 1150 | 345 | SKF | open | CN | 13400 |
| Model | Series | d (mm) | D (mm) | B (mm) | Brand | Seal | Clearance | C (kN) |
|---|---|---|---|---|---|---|---|---|
| NCF18-710-V | NCF1800 | 710 | 870 | 74 | SKF | open | CN | 1540 |
| NCF28-710-V | NCF2800 | 710 | 870 | 95 | SKF | open | CN | 2330 |
| NJ28-710-ECMA | NJ2800 | 710 | 870 | 95 | SKF | open | CN | 1940 |
| NCF29-710-V | NCF2900 | 710 | 950 | 140 | SKF | open | CN | 4290 |
| NU29-710-ECMA | NU2900 | 710 | 950 | 140 | SKF | open | CN | 3740 |
| NU10-710-ECMA | NU1000 | 710 | 1030 | 140 | SKF | open | CN | 4680 |
| NU20-710-ECMA-HB1 | NU2000 | 710 | 1030 | 185 | SKF | open | CN | 5940 |
| Model | Series | d (mm) | D (mm) | B (mm) | Brand | Seal | Clearance | C (kN) |
|---|---|---|---|---|---|---|---|---|
| 618-710-MA | 61800 | 710 | 870 | 74 | SKF | open | CN | 475 |
| 619-710-MA | 61900 | 710 | 950 | 106 | SKF | open | CN | 663 |
| 60-710-MA | 6000 | 710 | 1030 | 140 | SKF | open | CN | 956 |
| Model | Series | d (mm) | D (mm) | B (mm) | Brand | Seal | Clearance | C (kN) |
|---|---|---|---|---|---|---|---|---|
| 293-710-EM | 29300 | 710 | 1060 | 212 | SKF | open | CN | 9950 |
| 294-710-EF | 29400 | 710 | 1220 | 308 | SKF | open | CN | 17600 |
Selecting a 710 mm bore bearing
The bore fixes the shaft, not the bearing capacity. At 710 mm the catalog spans 870–1220 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 m6 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 710 mm bore?
This index lists 20 verified bearing models with a 710 mm (27.953 in) bore across 4 bearing types, from 870 to 1220 mm outside diameter. Open any model for the full specification table, seal/clearance options and graded cross references.
How do I choose between the 870–1220 mm OD options for a 710 mm shaft?
On a fixed 710 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 710 mm bearings?
A 710 mm bore on a rotating inner ring normally uses a m6 shaft seat with an H7 housing bore (verify against the catalogue for heavy or stationary-ring duty). In the ISO designation system 710 mm is bore code 142 (code × 5), so a 62-series bearing with this bore is the 62142.