| Bearing number |
7210B |
| Size (mm) |
50x90x20 |
| Bore Diameter (mm) |
50 |
| Outer Diameter (mm) |
90 |
| Width (mm) |
20 |
| d |
50 mm |
| D |
90 mm |
| B |
20 mm |
| C |
20 mm |
| Angle (α) |
40 ° |
| a |
39,5 mm |
| r min. |
1,1 mm |
| r1 min. |
0,6 mm |
| da min. |
57 mm |
| db min |
54,5 mm |
| ra max. |
1 mm |
| Weight |
0,466 Kg |
| Basic dynamic load rating (C) |
37,5 kN |
| Basic static load rating (C0) |
28,6 kN |
| (Grease) Lubrication Speed |
6 700 r/min |
| Contact angle α |
40 ° |
| rs min |
1.1 mm |
| r1s min |
0.6 mm |
| Mass |
0.47 kg |
| Dynamic load, C |
37.5 kN |
| Static load, C0 |
28.6 kN |
| Fatigue limit load, Cu |
1.3 kN |
| Nlim (oil) |
9,000 rpm |
| Nlim (grease) |
6,700 rpm |
| Min operating temperature, Tmin |
-40 °C |
| Max operating temperature, Tmax |
120 °C |
| da min |
57 mm |
| Da max |
83 mm |
| Db max |
85.5 mm |
| r1a max |
0.6 mm |
| ra max |
1 mm |
| Category |
Angular Contact Ball Bearing |
| Inventory |
0.0 |
| Minimum Buy Quantity |
N/A |
| Weight / Kilogram |
0.459 |
| Product Group |
B00308 |
| Enclosure |
Open |
| Flush Ground |
No |
| Rolling Element |
Ball Bearing |
| Number of Rows of Balls |
Single Row |
| Precision Class |
ABEC 1 | ISO P0 |
| Maximum Capacity / Filling Slot |
No |
| Snap Ring |
No |
| Cage Material |
Steel |
| Contact Angle |
40 Degree |
| Internal Clearance |
C0-Medium |
| Number of Bearings |
1 (Single) |
| Inch - Metric |
Metric |
| Long Description |
50MM Bore; 90MM Outside Diameter; 20MM Width; Open; No Flush Ground; Ball Bearing; Single Row of Balls; ABEC 1 | ISO P0; No Filling Slot; No Snap Ring |
| UNSPSC |
31171531 |
| Harmonized Tariff Code |
8482.10.50.28 |
| Noun |
Bearing |
| Keyword String |
Angular Contact |
| Manufacturer Item Number |
7210B |
| Weight / LBS |
1.012 |
| Width |
0.787 Inch | 20 Millimeter |
| Bore |
1.969 Inch | 50 Millimeter |
| Outside Diameter |
3.543 Inch | 90 Millimeter |
| bore diameter: |
50 mm |
| radial static load capacity: |
28600 N |
| outside diameter: |
90 mm |
| operating temperature range: |
-40 to 120 ºC |
| overall width: |
20 mm |
| cage material: |
Steel |
| contact angle: |
40 ° |
| outer ring width: |
20 mm |
| row type & fill slot: |
Single-Row Non-Fill Slot |
| maximum rpm: |
9000 rpm |
| internal clearance: |
C0 |
| finish/coating: |
Uncoated |
| bore type: |
Round |
| precision rating: |
ISO Class 0 |
| closure type: |
Open |
| fillet radius: |
1.1 mm |
| snap ring included: |
Without Snap Ring |
| series: |
72B |
| bearing material: |
High Carbon Chrome Steel |
| weight: |
0.458 kg |
| radial dynamic load capacity: |
37500 N |
| manufacturer product page: |
Click here |