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#CODE
- Discontinued Products
Insert Bearing RB (Part Numbers)
- Volume Discount
ER-type bearing with the oil supply mechanism and stopping ring removed.
Grease-sealed deep-groove ball bearing with an outer ring that has a cylindrical outer diameter surface and an inner ring that has cylindrical holes with set screws included.
Part Number
Configured Part Number is shown.
RB206
 |  |  | |||||||||||||||||||||||||||||||||||||||
| ER, RB | |||||||||||||||||||||||||||||||||||||||||
| Cylindrical bore (with set screws) | |||||||||||||||||||||||||||||||||||||||||
| Cylindrical OD | Dimensions inch mm | Dimensions inch mm | |||||||||||||||||||||||||||||||||||||||
| d: 12 - 60 mm | |||||||||||||||||||||||||||||||||||||||||
| Shaft Dia. mm inch d | D | B | C | r (min) | r1 (min.) | Basic Load Ratings kN Cr C0r | Factor f 0 | Bearing No. (ER) (RB) | S | S1 | S2 | Cc | a | f | D2 | Set Screw Brg. Bore G mm inch | Mass kg (ER) (RB) | ||||||||||||||||||||||||
| 12 | 1/2 | 1.850 47 | 1.220 31 | 0.630 16 | 0.024 0.6 | 0.020 0.5 | 12.8 | 6.65 | 13.2 | ER201 | RB201 | 0.500 12.7 | 0.720 18.3 | 0.197 5 | 0.157 4 | 0.094 2.38 | 0.042 1.07 | 2.067 52.5 | M6�0.75 | - | 0.27 | 0.27 | |||||||||||||||||||
| ER201-8 | RB201-8 | - | 1/4-28UNF | 0.27 | 0.27 | ||||||||||||||||||||||||||||||||||||
| 15 | 5/8 | ER202 | RB202 | M6�0.75 | - | 0.25 | 0.25 | ||||||||||||||||||||||||||||||||||
| ER202-10 | RB202-10 | - | 1/4-28UNF | 0.25 | 0.25 | ||||||||||||||||||||||||||||||||||||
| 17 | ER203 | RB203 | M6�0.75 | - | 0.24 | 0.24 | |||||||||||||||||||||||||||||||||||
| 20 | 3/4 | 1.850 47 | 1.220 31 | 0.630 16 | 0.039 1 | 0.020 0.5 | 12.8 | 6.65 | 13.2 | ER204-12 ER204 | RB204-12 RB204 | 0.500 12.7 | 0.720 18.3 | 0.197 5 | 0.157 4 | 0.094 2.38 | 0.042 1.07 | 2.067 52.5 | - M6�0.75 | 1/4-28UNF - | 0.22 0.22 | 0.22 0.22 | |||||||||||||||||||
| 25 | 7/8 | 14 | 7.85 | 13.9 | ER205-14 | RB205-14 | 0.563 14.3 | 0.780 19.8 | 0.217 5.5 | 0.197 5 | 0.094 2.38 | 0.042 1.07 | 2.272 57.7 | - | 1/4-28UNF | 0.3 | 0.29 | ||||||||||||||||||||||||
| 15/16 | 2.047 52 | 1.343 34.1 | 0.748 19 | 0.039 1 | 0.020 0.5 | ER205-15 ER205 | RB205-15 RB205 | - M6�0.75 | 1/4-28UNF - | 0.28 0.27 | 0.27 0.26 | ||||||||||||||||||||||||||||||
| 1 | ER205-16 | RB205-16 | - | 1/4-28UNF | 0.27 | 0.26 | |||||||||||||||||||||||||||||||||||
| 30 | 1 1/8 | 19.5 | 11.3 | 13.9 | ER206-18 | RB206-18 | 0.626 15.9 | 0.874 22.2 | 0.236 6 | 0.217 5.5 | 0.125 3.18 | 0.065 1.65 | 2.657 67.5 | - | 1/4-28UNF | 0.41 | 0.4 | ||||||||||||||||||||||||
| 1 3/16 | 2.441 62 | 1.500 38.1 | 0.866 22 | 0.039 1 | 0.020 0.5 | ER206 ER206-19 | RB206 RB206-19 | M6�0.75 - | - 1/4-28UNF | 0.39 0.39 | 0.38 0.38 | ||||||||||||||||||||||||||||||
| 1 1/4 | ER206-20 | RB206-20 | - | 1/4-28UNF | 0.37 | 0.36 | |||||||||||||||||||||||||||||||||||
| 35 | 1 1/4 | 25.7 | 15.4 | 13.9 | ER207-20 | RB207-20 | 0.689 17.5 | 1.000 25.4 | 0.256 6.5 | 0.217 5.5 | 0.125 3.18 | 0.065 1.65 | 3.087 78.4 | - | 5/16-24UNF | 0.69 | 0.68 | ||||||||||||||||||||||||
| 1 5/16 1 3/8 | 2.835 72 | 1.689 42.9 | 0.945 24 | 0.043 1.1 | 0.020 0.5 | ER207-21 ER207-22 ER207 | RB207-21 RB207-22 RB207 | - - M8�1 | 5/16-24UNF 5/16-24UNF - | 0.66 0.64 0.63 | 0.65 0.63 0.62 | ||||||||||||||||||||||||||||||
| 1 7/16 | ER207-23 | RB207-23 | - | 5/16-24UNF | 0.61 | 0.6 | |||||||||||||||||||||||||||||||||||
| 40 | 1 1/2 1 9/16 | 3.150 80 | 1.937 49.2 | 1.102 28 | 0.043 1.1 | 0.020 0.5 | 29.1 | 17.8 | 14 | ER208-24 ER208-25 ER208 | RB208-24 RB208-25 RB208 | 0.748 19 | 1.189 30.2 | 0.315 8 | 0.236 6 | 0.125 3.18 | 0.065 1.65 | 3.402 86.4 | - - M8�1 | 5/16-24UNF 5/16-24UNF - | 0.85 0.82 0.81 | 0.84 0.81 0.78 | |||||||||||||||||||
| 45 | 1 5/8 1 11/16 1 3/4 | 3.346 85 | 1.937 49.2 | 1.102 28 | 0.043 1.1 | 0.020 0.5 | 34.1 | 21.3 | 14 | ER209-26 ER209-27 ER209-28 ER209 | - - - - | 0.748 19 | 1.189 30.2 | 0.315 8 | 0.236 6 | 0.125 3.18 | 0.065 1.65 | 3.598 91.4 | - - - M8�1 | 5/16-24UNF 5/16-24UNF 5/16-24UNF - | 1.0 - 0.96 - 0.92 - 0.90 - | ||||||||||||||||||||
| 50 | 1 7/8 | 35.1 | 23.3 | 14.4 | ER210-30 | - | 0.748 19 | 1.283 32.6 | 0.354 9 | 0.295 7.5 | 0.125 3.18 | 0.095 2.41 | 3.791 96.3 | - | 3/8-24UNF | 1.05 - | |||||||||||||||||||||||||
| 1 15/16 | 3.543 90 | 2.031 51.6 | 1.102 28 | 0.043 1.1 | 0.020 0.5 | ER210-31 ER210 | - - | - M10�1.25 | 3/8-24UNF - | 1.0 - 0.98 - | |||||||||||||||||||||||||||||||
| 2 | ER210-32 | - | - | 3/8-24UNF | 0.96 - | ||||||||||||||||||||||||||||||||||||
| 55 | 2 | 43.4 | 29.4 | 14.4 | ER211-32 | - | 0.874 22.2 | 1.315 33.4 | 0.354 9 | 0.295 7.5 | 0.125 3.18 | 0.095 2.41 | 4.185 106.3 | - | 3/8-24UNF | 1.56 - | |||||||||||||||||||||||||
| 2 1/8 | 3.937 100 | 2.189 55.6 | 1.181 30 | 0.059 1.5 | 0.020 0.5 | ER211-34 ER211 | - - | - M10�1.25 | 3/8-24UNF - | 1.45 - 1.41 - | |||||||||||||||||||||||||||||||
| 2 3/16 | ER211-35 | - | - | 3/8-24UNF | 1.39 - | ||||||||||||||||||||||||||||||||||||
| 60 | 2 1/4 | 52.4 | 36.2 | 14.4 | ER212-36 | - | 1.000 25.4 | 1.563 39.7 | 0.413 10.5 | 0.295 7.5 | 0.125 3.18 | 0.095 2.41 | 4.583 116.4 | - | 3/8-24UNF | 2.02 - | |||||||||||||||||||||||||
| 2 3/8 | 4.331 110 | 2.563 65.1 | 1.260 32 | 0.059 1.5 | 0.020 0.5 | ER212 ER212-38 | - - | M10�1.25 - | - 3/8-24UNF | 1.89 - 1.87 - | |||||||||||||||||||||||||||||||
| 2 7/16 | ER212-39 | - | - | 3/8-24UNF | 1.8 - | ||||||||||||||||||||||||||||||||||||
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Basic Information
| Unit, Type | Insert Bearing Unit | Bearing Unit, Type | Others | Bearing Inner Dia. Shape | Cylindrical Bore Set Screw Type |
|---|---|---|---|---|---|
| Rolling Element Material | Bearing Steel | Shaft Bore Dia. d(φ) | 30 | Surface Treatment | No |
| Basic Load Rating, Dynamic Rating(N) | 19500 | Basic Load Rating, Static Rating(N) | 11300 | Diameter series symbol | Used for Light load |
| Fit | J7 | Grease Type | Standard Grease | Seal | Nitrile |
| Machining | No | Stroke | No |
Please check the type/dimensions/specifications of the part RB206 in the Insert Bearing RB series.
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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