| Bearing number |
NNU 4921 B/SPW33 |
| Size (mm) |
105x145x40 |
| Bore Diameter (mm) |
105 |
| Outer Diameter (mm) |
145 |
| Width (mm) |
40 |
| d |
105 mm |
| D |
145 mm |
| B |
40 mm |
| D1 |
130.8 mm |
| F |
118 mm |
| b |
5.5 mm |
| K |
3 mm |
| r1,2 - min. |
1.1 mm |
| s |
1.1 mm |
| da - min. |
111 mm |
| da - max. |
116 mm |
| db - min. |
121 mm |
| Da - max. |
138.5 mm |
| ra - max. |
1 mm |
| dn |
119 mm |
| Basic dynamic load rating - C |
130 kN |
| Basic static load rating - C0 |
260 kN |
| Fatigue load limit - Pu |
30 kN |
| Limiting speed for grease lubrication |
5300 r/min |
| Limiting speed for oil lubrication |
6000 mm/min |
| Gref |
15 cm |
| Category |
Cylindrical Roller Bearing |
| Inventory |
0.0 |
| Minimum Buy Quantity |
N/A |
| Weight / Kilogram |
2.079 |
| Product Group |
B04270 |
| Bore Profile |
Straight |
| Cage Material |
Brass |
| Precision Class |
Special Precision |
| Number of Rows of Rollers |
Double Row |
| Separable |
Inner 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 |
Plain Inner Ring | 3 Rib Outer Ring | High Precision Bearing | Modified Internal Design | Cage on Outer Ring ID |
| Long Description |
105MM Bore; Straight Bore Profile; 145MM Outside Diameter; 40MM Width; Brass Cage Matetrial; Special Precision; Double Row; Inner 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 |
NNU 4921 B/SPW33 |
| Weight / LBS |
4.583 |
| Bore |
4.134 Inch | 105 Millimeter |
| Outside Diameter |
5.709 Inch | 145 Millimeter |
| Width |
1.575 Inch | 40 Millimeter |
| r1,2 min. |
1.1 mm |
| s max. |
1.1 mm |
| da min. |
111 mm |
| da max. |
116 mm |
| db min. |
121 mm |
| Da max. |
138.5 mm |
| ra max. |
1 mm |
| Basic dynamic load rating C |
130 kN |
| Basic static load rating C0 |
260 kN |
| Fatigue load limit Pu |
30 kN |
| Attainable speed for grease lubrication |
5300 r/min |
| Attainable speed for oil-air lubrication |
6000 r/min |
| Reference grease quantity Gref |
15 cm³ |
| Static radial stiffness (guideline value) |
3040 N/µm |
| Mass bearing |
2 kg |