7010C, Single Angular Contact Ball Bearings - Open Type
Bearing number: |
NNU 4944 B/SPW33 |
Size (mm): |
220x300x80 |
Bore Diameter (mm): |
220 |
Outer Diameter (mm): |
300 |
Width (mm): |
80 |
d: |
220 mm |
D: |
300 mm |
B: |
80 mm |
Product Details
Bearing number |
NNU 4944 B/SPW33 |
Size (mm) |
220x300x80 |
Bore Diameter (mm) |
220 |
Outer Diameter (mm) |
300 |
Width (mm) |
80 |
d |
220 mm |
D |
300 mm |
B |
80 mm |
C |
80 mm |
b |
11,1 mm |
r1 min. |
2,1 mm |
r2 min. |
2,1 mm |
r3 min. |
1,1 mm |
r4 min. |
1,1 mm |
D1 |
272.2 mm |
F |
245 mm |
K |
3 mm |
da min. |
231 mm |
da max |
242 mm |
Da max. |
289 mm |
db min |
249 mm |
ra max. |
2 mm |
S |
3,7 mm |
dh |
247 mm |
Weight |
16,5 Kg |
Basic dynamic load rating (C) |
512 kN |
Basic static load rating (C0) |
1 140 kN |
(Grease) Lubrication Speed |
2 400 r/min |
(Oil) Lubrication Speed |
2 800 r/min |
Category |
Cylindrical Roller Bearing |
Inventory |
0.0 |
Minimum Buy Quantity |
N/A |
Weight / Kilogram |
16.715 |
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 |
220MM Bore; Straight Bore Profile; 300MM Outside Diameter; 80MM 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 4944 B/SPW33 |
Weight / LBS |
36.817 |
Width |
3.15 Inch | 80 Millimeter |
Outside Diameter |
11.811 Inch | 300 Millimeter |
Bore |
8.661 Inch | 220 Millimeter |
r1,2 min. |
2.1 mm |
s max. |
3.7 mm |
da max. |
242 mm |
db min. |
249 mm |
dn |
247 mm |
Basic dynamic load rating C |
512 kN |
Basic static load rating C0 |
1140 kN |
Fatigue load limit Pu |
114 kN |
Attainable speed for grease lubrication |
2400 r/min |
Attainable speed for oil-air lubrication |
2800 r/min |
Reference grease quantity Gref |
150 cm³ |
Static radial stiffness (guideline value) |
5990 N/µm |
Mass bearing |
16.5 kg |
Company Profile
Worktime |
9.00--18.00 |
Phone |
0065-31591338 |
Fax |
0065-31591338 |