| Bearing number |
NN 3052 K/SPW33 |
| Size (mm) |
260x400x104 |
| Bore Diameter (mm) |
260 |
| Outer Diameter (mm) |
400 |
| Width (mm) |
104 |
| d |
260 mm |
| D |
400 mm |
| B |
104 mm |
| C |
104 mm |
| b |
15,3 mm |
| d1 |
312.8 mm |
| r1 min. |
4 mm |
| r2 min. |
4 mm |
| r3 min. |
1,5 mm |
| r4 min. |
1,5 mm |
| E |
364 mm |
| K |
7,5 mm |
| da min. |
275 mm |
| Da min |
367 mm |
| Da max. |
384 mm |
| ra max. |
3 mm |
| S |
5 mm |
| dh |
355,2 mm |
| Weight |
44 Kg |
| Basic dynamic load rating (C) |
1 020 kN |
| Basic static load rating (C0) |
1 930 kN |
| (Grease) Lubrication Speed |
2 000 r/min |
| (Oil) Lubrication Speed |
2 400 r/min |
| Category |
Cylindrical Roller Bearing |
| Inventory |
0.0 |
| Minimum Buy Quantity |
N/A |
| Weight / Kilogram |
55.47 |
| Product Group |
B04270 |
| Bore Profile |
Tapered |
| Cage Material |
Brass |
| Precision Class |
Special Precision |
| Number of Rows of Rollers |
Double Row |
| Separable |
Outer Ring - Both Sides |
| Rolling Element |
Cylindrical Roller Bearing |
| Profile |
Complete with Outer and Inner Ring |
| Snap Ring |
No |
| Internal Clearance |
C1-Tight |
| Retainer |
Yes |
| Relubricatable |
Yes |
| Inch - Metric |
Metric |
| Other Features |
3 Rib Inner Ring | Plain Outer Ring | High Precision Bearing | Cage on Inner Ring OD |
| Long Description |
260MM Bore; Tapered Bore Profile; 400MM Outside Diameter; 104MM Width; Brass Cage Matetrial; Special Precision; Double Row; Outer Ring - Both Sides Separable; No Snap Ring; Relubricatable; C1-Tight In |
| UNSPSC |
31171547 |
| Harmonized Tariff Code |
8482.50.00.00 |
| Noun |
Bearing |
| Manufacturer Item Number |
NN 3052 K/SPW33 |
| Weight / LBS |
122.189 |
| Outside Diameter |
15.748 Inch | 400 Millimeter |
| Bore |
10.236 Inch | 260 Millimeter |
| Width |
4.094 Inch | 104 Millimeter |
| r1,2 min. |
4 mm |
| r3,4 min. |
1.5 mm |
| s max. |
5 mm |
| Abutment diameter shaft da min. |
275 mm |
| Abutment diameter housing Da min. |
367 mm |
| Abutment diameter housing Da max. |
384 mm |
| Oil nozzle position (not for variants with TNHA cage) dn |
355.2 mm |
| Basic dynamic load rating C |
1020 kN |
| Basic static load rating C0 |
1930 kN |
| Fatigue load limit Pu |
183 kN |
| Attainable speed for grease lubrication |
2000 r/min |
| Attainable speed for oil-air lubrication |
2400 r/min |
| Reference grease quantity Gref |
392 cm³ |
| Static radial stiffness (guideline value) |
5570 N/µm |
| Mass bearing |
44 kg |