Tolerances and radial internal clearances in NSK NBC type ball bearings
Standard tolerances and radial internal clearance in NSK NBC type thin section ball bearings are listed below. If NSK bearings with higher accuracy or special clearance are required, Please contact us.
| Nominal Bearing Bore Diameter d (mm) |
Single Plane Mean Bore Diameter Deviation Δdmp |
Single Plane Mean Outside Diameter Deviation ΔDmp |
Deviation of a Single Inner Ring Width ΔBs |
Radial Internal Clearance | |||||
|---|---|---|---|---|---|---|---|---|---|
| over | incl | high | low | high | low | high | low | min | max |
| - | 25.400 | 0 | -10 | 0 | -13 | 0 | -127 | 25 | 41 |
| 25.400 | 38.100 | 0 | -13 | 0 | -13 | 0 | -127 | 30 | 46 |
| 38.100 | 63.500 | 0 | -15 | 0 | -13 | 0 | -127 | 30 | 61 |
| 63.500 | 76.200 | 0 | -15 | 0 | -15 | 0 | -127 | 30 | 61 |
| 76.200 | 101.600 | 0 | -20 | 0 | -15 | 0 | -127 | 41 | 71 |
| 101.600 | 114.300 | 0 | -20 | 0 | -20 | 0 | -127 | 41 | 71 |
| 114.300 | 127.000 | 0 | -25 | 0 | -20 | 0 | -127 | 51 | 86 |
| 127.000 | 165.100 | 0 | -25 | 0 | -25 | 0 | -127 | 51 | 86 |
| 165.100 | 177.800 | 0 | -25 | 0 | -30 | 0 | -127 | 51 | 86 |
| 177.800 | 228.600 | 0 | -30 | 0 | -30 | 0 | -127 | 61 | 107 |
| 228.600 | 304.800 | 0 | -36 | 0 | -36 | 0 | -127 | 71 | 122 |
| 304.800 | 355.600 | 0 | -41 | 0 | -41 | 0 | -254 | 81 | 132 |
| 355.600 | 457.200 | 0 | -46 | 0 | -46 | 0 | -254 | 91 | 142 |
| 457.200 | 508.000 | 0 | -51 | 0 | -51 | 0 | -254 | 102 | 152 |
| 508.000 | 762.000 | 0 | -76 | 0 | -76 | 0 | -254 | 152 | 203 |
Tolerances and radial internal clearances in NSK NBA and NBX type ball bearings
Standard tolerances and radial internal clearance in NSK NBA and NBX type thin section ball bearings are listed below. If NSK bearings with higher accuracy or special clearance are required, Please contact us.
| Nominal Bearing Bore Diameter d (mm) |
Single Plane Mean Bore Diameter Deviation Δdmp |
Single Plane Mean Outside Diameter Deviation ΔDmp |
Deviation of a Single Inner Ring Width ΔBs |
Radial Internal Clearance | |||||
|---|---|---|---|---|---|---|---|---|---|
| over | incl | high | low | high | low | high | low | min | max |
| - | 25.400 | 0 | -10 | 0 | -13 | 0 | -127 | 25 | 38 |
| 25.400 | 38.100 | 0 | -13 | 0 | -13 | 0 | -127 | 30 | 43 |
| 38.100 | 63.500 | 0 | -15 | 0 | -13 | 0 | -127 | 30 | 56 |
| 63.500 | 76.200 | 0 | -15 | 0 | -15 | 0 | -127 | 30 | 56 |
| 76.200 | 101.600 | 0 | -20 | 0 | -15 | 0 | -127 | 41 | 66 |
| 101.600 | 114.300 | 0 | -20 | 0 | -20 | 0 | -127 | 41 | 66 |
| 114.300 | 127.000 | 0 | -25 | 0 | -20 | 0 | -127 | 51 | 76 |
| 127.000 | 165.100 | 0 | -25 | 0 | -25 | 0 | -127 | 51 | 76 |
| 165.100 | 177.800 | 0 | -25 | 0 | -30 | 0 | -127 | 51 | 76 |
| 177.800 | 228.600 | 0 | -30 | 0 | -30 | 0 | -127 | 61 | 86 |
| 228.600 | 304.800 | 0 | -36 | 0 | -36 | 0 | -127 | 71 | 97 |
| 304.800 | 355.600 | 0 | -36 | 0 | -36 | 0 | -254 | 71 | 97 |
| 355.600 | 457.200 | 0 | -41 | 0 | -41 | 0 | -254 | 81 | 107 |
| 457.200 | 762.000 | 0 | -46 | 0 | -46 | 0 | -254 | 91 | 117 |
| 762.000 | 1016.000 | 0 | -51 | 0 | -51 | 0 | -254 | 102 | 127 |