| Bearing number |
6311-2ZNR |
| Size (mm) |
55x120x29 |
| Bore Diameter (mm) |
55 |
| Outer Diameter (mm) |
120 |
| Width (mm) |
29 |
| d |
55 mm |
| D |
120 mm |
| B |
29 mm |
| C |
4,06 mm |
| b |
3,1 mm |
| d1 |
75,3 mm |
| f |
2,82 mm |
| r0 max. |
0.6 mm |
| r1 min. |
2 mm |
| r2 min. |
2 mm |
| D2 |
104 mm |
| D3 |
115.21 mm |
| D4 |
129.7 mm |
| ba min. |
3.5 mm |
| Ca max. |
6.88 mm |
| da min. |
66 mm |
| da max |
75,2 mm |
| Da max. |
109 mm |
| Db min. |
131 mm |
| ra max. |
2 mm |
| Weight |
1,45 Kg |
| Basic dynamic load rating (C) |
74,1 kN |
| Basic static load rating (C0) |
45 kN |
| Fatigue load limit (Pu) |
1,9 |
| Reference speed |
12000 r/min |
| Limiting speed |
8000 r/min |
| Calculation factor (f0) |
13 |
| Category |
Single Row Ball Bearing |
| Inventory |
0.0 |
| Minimum Buy Quantity |
N/A |
| Weight / Kilogram |
1.49 |
| Product Group |
B00308 |
| Enclosure |
2 Metal Shields |
| Precision Class |
ABEC 1 | ISO P0 |
| Maximum Capacity / Filling Slot |
No |
| Rolling Element |
Ball Bearing |
| Snap Ring |
Yes |
| Internal Special Features |
No |
| Cage Material |
Steel |
| Internal Clearance |
C0-Medium |
| Inch - Metric |
Metric |
| Long Description |
55MM Bore; 120MM Outside Diameter; 29MM Outer Race Width; 2 Metal Shields; Ball Bearing; ABEC 1 | ISO P0; No Filling Slot; Yes Snap Ring; No Internal Special Features; C0-Medium Internal Clearance; St |
| Other Features |
Deep Groove | With Snap Ring |
| UNSPSC |
31171504 |
| Harmonized Tariff Code |
8482.10.50.68 |
| Noun |
Bearing |
| Keyword String |
Ball |
| Manufacturer Item Number |
6311-2ZNR |
| Weight / LBS |
3.2509 |
| Outer Race Width |
1.142 Inch | 29 Millimeter |
| Bore |
2.165 Inch | 55 Millimeter |
| Outside Diameter |
4.724 Inch | 120 Millimeter |
| Inner Race Width |
0 Inch | 0 Millimeter |
| d1 ≈ |
75.34 mm |
| D2 ≈ |
103.7 mm |
| r1,2 min. |
2 mm |
| da max. |
75.2 mm |
| Basic dynamic load rating C |
74.1 kN |
| Basic static load rating C0 |
45 kN |
| Fatigue load limit Pu |
1.9 kN |
| Calculation factor kr |
0.03 |
| Calculation factor f0 |
13 |
| Mass bearing |
1.46 kg |
| Snap ring |
SP 120 |