Koyo/JTEKT NU304 Cylindrical Roller Bearing 20 x 52 x 15mm
Regular price
$71.72
Sale price
$71.72
Regular price
Inc. GST
Available
Koyo/JTEKT NU304. High radial load capacity at high speed. Standard cylindrical. 300 series. Cylindrical Bearing Fixed Outer Loose Inner 300 Series is for high-speed shafts where pure radial load and thermal axial expansion need to be accommodated.
Product Specifications. Bearing type: Cylindrical roller bearing. Series: 300. Configuration: Standard cylindrical. Inner ring: Standard. Load: Pure radial, axial floating.
Available Sizes
13 sizes available — select the exact size you need from the dropdown above. Key figures for each:
| Bore Diameter x Outer Diameter x Width (mm) | Limiting Speed (min-1) Grease Oil |
|---|---|
| 20 x 52 x 15 | 12000 |
| 30 x 72 x 19 | 8700 |
| 35 x 80 x 21 | 7700 |
| 40 x 90 x 23 | 6800 |
| 45 x 100 x 25 | 6100 |
| 50 x 110 x 27 | 5500 |
| 55 x 120 x 29 | 5100 |
| 60 x 130 x 31 | 4600 |
| 65 x 140 x 33 | 4300 |
| 70 x 150 x 35 | 4000 |
| 75 x 160 x 37 | 3700 |
| 80 x 170 x 39 | 3500 |
| 85 x 180 x 41 | 3300 |
Where This Is Used
- Automotive: Internal combustion engines transmissions, and cargo transportation.
- Electrical: Large and medium sizes motors, traction motors, and generators.
- Industrial: Gearboxes and machine tool spindles, steel mills.
Features
- Features and Benefits.
- High radial capacity in compact section.
- Floating axial: accommodates shaft thermal expansion.
- Standard cylindrical: suits specific bearing arrangement.
- High-speed capable: roller geometry well suited to fast shafts.
Full engineering specifications (all 17 fields, 13 sizes)
| Bearing Width B (mm) | Mounting Dimension (mm) Rb Max. | Bore Diameter x Outer Diameter x Width (mm) | Boundary Dimension (mm) Fw | Boundary Dimension (mm) r1 min. | Limiting Speed (min-1) Grease Oil | Outside Diameter D (mm) | Limiting Speed (min-1) Oil Lub | Mounting Dimension (mm) Dd Min. | Mounting Dimension (mm) Dc Min. | Bore Diameter d (mm) | Mounting Dimension (mm) Ra Max. | Mounting Dimension (mm) Da Min. | Mounting Dimension (mm) Db Min. | Mounting Dimension (mm) Db Max. | Mounting Dimension (mm) Da Max. | Boundary Dimension (mm) r min. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15 | 0.6 | 20 x 52 x 15 | 27.5 | 0.6 | 12000 | 52 | 16000 | 33 | 30 | 20 | 1 | 26.5 | 24 | 27 | 45.5 | 1.1 |
| 19 | 1 | 30 x 72 x 19 | 40.5 | 1.1 | 8700 | 72 | 12000 | 48 | 44 | 30 | 1 | 36.5 | 36.5 | 40 | 65.5 | 1.1 |
| 21 | 1 | 35 x 80 x 21 | 46.2 | 1.1 | 7700 | 80 | 10000 | 53 | 48 | 35 | 1.5 | 43 | 41.5 | 45 | 72 | 1.5 |
| 23 | 1.5 | 40 x 90 x 23 | 52 | 1.5 | 6800 | 90 | 9100 | 60 | 55 | 40 | 1.5 | 48 | 48 | 51 | 82 | 1.5 |
| 25 | 1.5 | 45 x 100 x 25 | 58.5 | 1.5 | 6100 | 100 | 8200 | 66 | 60 | 45 | 1.5 | 53 | 53 | 57 | 92 | 1.5 |
| 27 | 2 | 50 x 110 x 27 | 65 | 2 | 5500 | 110 | 7400 | 73 | 67 | 50 | 2 | 59 | 59 | 63 | 101 | 2 |
| 29 | 55 x 120 x 29 | 70.5 | 2 | 5100 | 120 | 6700 | 80 | 72 | 55 | 64 | 2 | 2 | 111 | 2 | ||
| 31 | 60 x 130 x 31 | 77 | 2.1 | 4600 | 130 | 6200 | 86 | 79 | 60 | 71 | 2 | 2 | 119 | 2.1 | ||
| 33 | 2 | 65 x 140 x 33 | 82.5 | 2.1 | 4300 | 140 | 5700 | 93 | 85 | 65 | 2 | 76 | 76 | 81 | 129 | 2.1 |
| 35 | 2 | 70 x 150 x 35 | 89 | 2.1 | 4000 | 150 | 5300 | 100 | 92 | 70 | 2 | 81 | 81 | 87 | 139 | 2.1 |
| 37 | 2 | 75 x 160 x 37 | 95 | 2.1 | 3700 | 160 | 5000 | 106 | 97 | 75 | 2 | 86 | 86 | 93 | 149 | 2.1 |
| 39 | 2 | 80 x 170 x 39 | 101 | 2.1 | 3500 | 170 | 4700 | 114 | 105 | 80 | 2 | 91 | 91 | 99 | 159 | 2.1 |
| 41 | 2.5 | 85 x 180 x 41 | 108 | 3 | 3300 | 180 | 4400 | 119 | 110 | 85 | 2.5 | 98 | 98 | 106 | 167 | 3 |
Product Highlights
Couldn't load pickup availability
Payment & Security
Payment methods
Secure Checkout. We do not store credit card details
Available Options:
-
20 x 52 x 15mm bearing
Model Number: NU304/KOYO
-
30 x 72 x 19mm bearing
Model Number: NU306/KOYO
-
35 x 80 x 21mm bearing
Model Number: NU307/KOYO
-
40 x 90 x 23mm bearing
Model Number: NU308/KOYO
-
45 x 100 x 25mm bearing
Model Number: NU309/KOYO
-
50 x 110 x 27mm bearing
Model Number: NU310/KOYO
-
55 x 120 x 29mm bearing
Model Number: NU311/KOYO
-
60 x 130 x 31mm bearing
Model Number: NU312/KOYO
-
65 x 140 x 33mm bearing
Model Number: NU313/KOYO
-
70 x 150 x 35mm bearing
Model Number: NU314/KOYO
-
75 x 160 x 37mm bearing
Model Number: NU315/KOYO
-
80 x 170 x 39mm bearing
Model Number: NU316/KOYO
-
85 x 180 x 41mm bearing
Model Number: NU317/KOYO
