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#CODE
- Discontinued Products
Needle Roller Bearing - Without Inner Ring, Inch Measurements, Machined, BR Series
- Volume Discount
IKO Machined Type Needle Roller Bearings are bearings with a low sectional height and large load ratings. The outer ring has high rigidity and can easily be used even for light alloy housings. These bearings are available in metric series and inch series, both of which have the caged type and the full complement type. It is therefore possible to select a suitable bearing for use under various conditions such as heavy loads and high-speed or low-speed rotations. In addition, there are bearings with and without an inner ring. As the type without inner ring uses a shaft as the raceway surface, a compact design is possible.
Part Number
Configured Part Number is shown.
| Shaft dia. mm (inch) | Identification number | Mass (Ref.) g | Boundary dimensions mm (inch) | Standard mounting dimensions mm | Basic dynamic load rating C N | Basic static load rating C0 N | Allowable rotational speed rpm | |||
| Fw | D | C | Da Max. | r as max | ||||||
| 15.875 (5?8) | BR 101812 | 49.0 | 15.875(5?8) | 28.575(11? 8) | 19.050(3? 4) | 24.5 | 0.6 | 18 900 | 19 700 | 25 000 |
| 19.050 (3?4) | BR 122012 BR 122016 | 56 75 | 19.050(3?4) 19.050(3?4) | 31.750(11?4) 31.750(11?4) | 19.050(3?4) 25.400(1) | 26.5 26.5 | 1 1 | 21 700 | 24 400 | 20 000 |
| 27 600 | 33 100 | 20 000 | ||||||||
| 22.225 (7?8) | BR 142212 BR 142216 | 63 84.5 | 22.225(7?8) 22.225(7?8) | 34.925(13?8) 34.925(13?8) | 19.050(3?4) 25.400(1) | 29.7 29.7 | 1 1 | 23 000 | 27 100 | 18 000 |
| 29 100 | 36 800 | 18 000 | ||||||||
| 25.400 (1) | BR 162412 BR 162416 | 69 92.5 | 25.400(1) 25.400(1) | 38.100(11?2) 38.100(11?2) | 19.050(3?4) 25.400(1) | 32.9 32.9 | 1 1 | 25 300 | 31 900 | 16 000 |
| 32 100 | 43 300 | 16 000 | ||||||||
| 28.575 (11?8) | BR 182616 BR 182620 | 102 128 | 28.575(11?8) 28.575(11?8) | 41.275(15?8) 41.275(15?8) | 25.400(1) 31.750(11?4) | 36 36 | 1 1 | 34 900 | 49 900 | 14 000 |
| 43 200 | 65 600 | 14 000 | ||||||||
| 31.750 (11?4) | BR 202816 BR 202820 | 110 138 | 31.750(11?4) 31.750(11?4) | 44.450(13?4) 44.450(13?4) | 25.400(1) 31.750(11?4) | 39.2 39.2 | 1 1 | 36 000 | 53 500 | 13 000 |
| 44 600 | 70 300 | 13 000 | ||||||||
| 34.925 (13?8) | BR 223016 BR 223020 | 119 149 | 34.925(13?8) 34.925(13?8) | 47.625(17?8) 47.625(17?8) | 25.400(1) 31.750(11?4) | 42.4 42.4 | 1 1 | 38 500 | 60 000 | 11 000 |
| 47 700 | 78 900 | 11 000 | ||||||||
| 38.100 (11?2) | BR 243316 BR 243320 | 149 187 | 38.100(11?2) 38.100(11?2) | 52.388(21?16) 52.388(21?16) | 25.400(1) 31.750(11?4) | 45.1 45.1 | 1.5 1.5 | 43 700 | 66 900 | 11 000 |
| 54 200 | 88 200 | 11 000 | ||||||||
| 41.275 (15?8) | BR 263516 BR 263520 | 158 199 | 41.275(15?8) 41.275(15?8) | 55.562(23?16) 55.562(23?16) | 25.400(1) 31.750(11?4) | 48.3 48.3 | 1.5 1.5 | 44 800 | 70 900 | 9 500 |
| 55 600 | 93 400 | 9 500 | ||||||||
| 44.450 (13?4) | BR 283716 BR 283720 BR 283820 | 170 215 250 | 44.450(13?4) 44.450(13?4) 44.450(13?4) | 58.738(25?16) 58.738(25?16) 60.325(23?8) | 25.400(1) 31.750(11?4) 31.750(11?4) | 51.5 51.5 53.1 | 1.5 1.5 1.5 | 47 500 | 78 200 | 9 000 |
| 58 900 | 103 000 | 9 000 | ||||||||
| 58 900 | 103 000 | 9 000 | ||||||||
| 47.625 (17?8) | BR 303920 | 225.0 | 47.625(17?8) | 61.912(27?16) | 31.750(11?4) | 54.7 | 1.5 | 60 100 | 108 000 | 8 500 |
| 50.800 (2) | BR 324116 BR 324120 | 190 240 | 50.800(2) 50.800(2) | 65.088(29?16) 65.088(29?16) | 25.400(1) 31.750(11?4) | 57.8 57.8 | 1.5 1.5 | 51 000 | 89 400 | 8 000 |
| 63 200 | 118 000 | 8 000 | ||||||||
| 57.150 (21?4) | BR 364824 BR 364828 | 435 510 | 57.150(21?4) 57.150(21?4) | 76.200(3) 76.200(3) | 38.100(11?2) 44.450(13?4) | 69 69 | 1.5 1.5 | 90 300 | 158 000 | 7 000 |
| 105 000 | 191 000 | 7 000 | ||||||||
| 63.500 (21?2) | BR 405224 BR 405228 | 475 555 | 63.500(21?2) 63.500(21?2) | 82.550(31?4) 82.550(31?4) | 38.100(11?2) 44.450(13?4) | 74.3 74.3 | 2 2 | 94 600 | 174 000 | 6 500 |
| 110 000 | 210 000 | 6 500 | ||||||||
| 69.850 (23?4) | BR 445624 BR 445628 | 510 600 | 69.850(23?4) 69.850(23?4) | 88.900(31?2) 88.900(31?2) | 38.100(11?2) 44.450(13?4) | 80.7 80.7 | 2 2 | 98 700 | 189 000 | 5 500 |
| 114 000 | 228 000 | 5 500 | ||||||||
| 76.200 (3) | BR 486024 BR 486028 | 555 650 | 76.200(3) 76.200(3) | 95.250(33?4) 95.250(33?4) | 38.100(11?2) 44.450(13?4) | 87 87 | 2 2 | 105 000 | 211 000 | 5 500 |
| 122 000 | 255 000 | 5 500 | ||||||||
| 82.550 (31?4) | BR 526828 BR 526832 | 990 1 140 | 82.550(31?4) 82.550(31?4) | 107.950(41?4) 107.950(41?4) | 44.450(13?4) 50.800(2) | 99.7 99.7 | 2 2 | 141 000 | 259 000 | 5 000 |
| 154 000 | 290 000 | 5 000 | ||||||||
| 88.900 (31?2) | BR 567232 | 1 220 | 88.900(31?2) | 114.300(41?2) | 50.800(2) | 106.1 | 2.0 | 162 000 | 316 000 | 4 500 |
| 95.250 (33?4) | BR 607632 | 1 290 | 95.250(33?4) | 120.650(43?4) | 50.800(2) | 111.4 | 2.5 | 169 000 | 342 000 | 4 000 |
| 101.600 (4) | BR 648032 | 1 370 | 101.600(4) | 127.000(5) | 50.800(2) | 117.8 | 2.5 | 176 000 | 368 000 | 4 000 |
| Part Number |
|---|
| BR202820 |
| BR243320 |
| BR303920 |
| BR324120 |
Loading...
Basic Information
| Raceway Ring Shape | Needle Roller | Load Direction | Radial | Width B(mm) | 31.75 |
|---|---|---|---|---|---|
| Inner/Outer Ring Material | Steel | Outer Ring | With Outer Ring | Number of Raceway Ring Rows | Single Row |
| Size Standards | Inch Base | Specifications | Standard / Abrasion Resistance / For high Speed | Rolling Element Material | Steel |
| Outer Ring Type | Semicircular Grooved | Format of Shaft Bearing | Holder Mounted | Shield Shape | No Inner Wheel |
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Additional Products in this Category
- Linear Flat Roller, FF Series
- Crossed Roller Bearing - Open, Caged, CRB Series
- IKO - Needle Roller Bearings With Separable Cage Without Inner Ring - RNAFW Series (IKO)
- Needle Roller Bearing - Separable Cage, Without Inner Ring, RNAF Series
- Needle Roller Bearing - Without Inner Ring, Machined, TR Series
- Needle Roller Bearing - Without Inner Ring, Machined, RNA48 Series
- Combination Needle Roller/Thrust Ball Bearing - Without Inner Ring, NBX Series
- Combination Needle Roller/Thrust Ball Bearing - Without Inner Ring, NAX Series
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