12210E Rolling Mills Spherical roller bearings
| Brand Name: |
Rolling Mills |
| Model Number: |
12210E |
| Bearing number: |
7304 BECBY |
| Size (mm): |
52x20x15 |
| Bore Diameter (mm): |
52 |
| Outer Diameter (mm): |
20 |
| Width (mm): |
15 |
| d: |
20 mm |
| D: |
52 mm |
| B: |
15 mm |
Product Details
| Bearing number |
7304 BECBY |
| Size (mm) |
52x20x15 |
| Bore Diameter (mm) |
52 |
| Outer Diameter (mm) |
20 |
| Width (mm) |
15 |
| d |
20 mm |
| D |
52 mm |
| B |
15 mm |
| d1 |
33.15 mm |
| d2 |
26.75 mm |
| D1 |
40.5 mm |
| a |
22.8 mm |
| r1,2 - min. |
1.1 mm |
| r3,4 - min. |
0.6 mm |
| da - min. |
27 mm |
| Da - max. |
45 mm |
| Db - max. |
47.8 mm |
| ra - max. |
1 mm |
| rb - max. |
0.6 mm |
| Basic dynamic load rating - C |
19 kN |
| Basic static load rating - C0 |
10.4 kN |
| Fatigue load limit - Pu |
0.44 kN |
| Reference speed |
16000 r/min |
| Limiting speed |
16000 r/min |
| Calculation factor - kr |
0.1 |
| Calculation factor - ka |
1.6 |
| Calculation factor - e |
1.14 |
| Calculation factor - X |
0.35 |
| Calculation factor - Y0 |
0.26 |
| Calculation factor - Y1 |
0.55 |
| Calculation factor - Y2 |
0.57 |
| Category |
Angular Contact Ball Bearing |
| Inventory |
2.0 |
| Minimum Buy Quantity |
N/A |
| Weight / Kilogram |
0.15 |
| Product Group |
B00308 |
| Enclosure |
Open |
| Flush Ground |
Yes |
| Rolling Element |
Ball Bearing |
| Number of Rows of Balls |
Single Row |
| Precision Class |
ABEC 3 | ISO P6 |
| Maximum Capacity / Filling Slot |
No |
| Snap Ring |
No |
| Cage Material |
Brass |
| Contact Angle |
40 Degree |
| Internal Clearance |
CB |
| Number of Bearings |
1 (Single) |
| Mounting Arrangement |
Universal |
| Inch - Metric |
Metric |
| Long Description |
20MM Bore; 52MM Outside Diameter; 15MM Width; Open; Yes Flush Ground; Ball Bearing; Single Row of Balls; ABEC 3 | ISO P6; No Filling Slot; No Snap Ring |
| Other Features |
Normal Axial Internal Clearance |
| UNSPSC |
31171531 |
| Harmonized Tariff Code |
8482.10.50.28 |
| Noun |
Bearing |
| Keyword String |
Angular Contact |
| Manufacturer Item Number |
7304 BECBY |
| Weight / LBS |
0.331 |
| Outside Diameter |
2.047 Inch | 52 Millimeter |
| Bore |
0.787 Inch | 20 Millimeter |
| Width |
0.591 Inch | 15 Millimeter |
| bore diameter: |
20 mm |
| radial static load capacity: |
10.4 kN |
| outside diameter: |
52 mm |
| cage material: |
Brass |
| overall width: |
15 mm |
| outer ring width: |
15 mm |
| contact angle: |
40 ° |
| maximum rpm: |
16000 RPM |
| row type & fill slot: |
Single-Row Non-Fill Slot |
| finish/coating: |
Uncoated |
| internal clearance: |
C0 |
| precision rating: |
ABEC 3 (ISO Class 6) |
| closure type: |
Open |
| fillet radius: |
1 mm |
| radial dynamic load capacity: |
19 kN |
| series: |
73 |
| d1 ≈ |
33.15 mm |
| d2 ≈ |
26.75 mm |
| D1 ≈ |
40.5 mm |
| r1,2 min. |
1.1 mm |
| r3,4 min. |
0.6 mm |
| da min. |
27 mm |
| Da max. |
45 mm |
| Db max. |
47.8 mm |
| ra max. |
1 mm |
| rb max. |
0.6 mm |
| Basic dynamic load rating C |
20.4 kN |
| Basic static load rating C0 |
11.2 kN |
| Fatigue load limit Pu |
0.475 kN |
| Calculation factor A |
0.00212 |
| Calculation factor kr |
0.1 |
| Calculation factor e |
1.14 |
| Calculation factor X |
0.57 |
| Calculation factor Y0 |
0.52 |
| Calculation factor Y2 |
0.93 |
| Calculation factor Y1 |
0.55 |
| Mass bearing |
0.14 kg |