RBC BEARINGS Y 72 Cam Follower and Track Roller - Yoke Type
RBC BEARINGS Y 72 Cam Follower and Track Roller - Yoke Type with easy-to-use parts GARLOCK BEARINGS LTD graphics, giving you the ability to check -30 to +120 &de operating temperature range: parts availability, Cam Follower and Track Roller - Yoke Type pricing, 11500 N static load capacity: examine remanufactured options.
| Brand Name: |
RBC BEARINGS |
| Model Number: |
Y 72 |
| Bearing number: |
7210 CD/HCP4A |
| Size (mm): |
50x90x20 |
| Bore Diameter (mm): |
50 |
| Outer Diameter (mm): |
90 |
| Width (mm): |
20 |
| d: |
50 mm |
| D: |
90 mm |
| B: |
20 mm |
| PDF |
Y 72 |
Product Details
| Bearing number |
7210 CD/HCP4A |
| 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 |
| d1 |
62.3 mm |
| d2 |
62.3 mm |
| r1 min. |
1,1 mm |
| r2 min. |
1,1 mm |
| r3 min. |
0,6 mm |
| r4 min. |
0,6 mm |
| D1 |
77.7 mm |
| D2 |
80,7 mm |
| da min. |
57 mm |
| Da max. |
83 mm |
| db min |
57 mm |
| ra max. |
1 mm |
| rb max. |
0.6 mm |
| dh |
65,6 mm |
| Db max |
85,8 mm |
| Weight |
0,39 Kg |
| Basic dynamic load rating (C) |
44,9 kN |
| Basic static load rating (C0) |
34 kN |
| (Grease) Lubrication Speed |
19 000 r/min |
| (Oil) Lubrication Speed |
30 000 r/min |
| Fatigue load limit (Pu) |
1,43 |
| Category |
Precision Ball Bearings |
| Inventory |
0.0 |
| Minimum Buy Quantity |
N/A |
| Product Group |
B04270 |
| Enclosure |
Open |
| Precision Class |
ABEC 7 | ISO P4 |
| Material - Ball |
Ceramic |
| Number of Bearings |
1 (Single) |
| Contact Angle |
15 Degree |
| Preload |
None |
| Raceway Style |
1 Rib Outer Ring |
| Cage Material |
Phenolic |
| Rolling Element |
Ball Bearing |
| Flush Ground |
No |
| Inch - Metric |
Metric |
| Other Features |
Single Row | Angular Contact | High Capacity Basic Design |
| Long Description |
50MM Bore; 90MM Outside Diameter; 20MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Ceramic Ball Material; 1 (Single) Bearing; 15 Degree Contact Angle; Phenolic Cage Material; 1 Rib Outer Ring Ra |
| UNSPSC |
31171531 |
| Harmonized Tariff Code |
8482.10.50.28 |
| Noun |
Bearing |
| Keyword String |
Ball Angular Contact |
| Bore |
1.969 Inch | 50 Millimeter |
| Outside Diameter |
3.543 Inch | 90 Millimeter |
| Width |
0.787 Inch | 20 Millimeter |
| r1,2 min. |
1.1 mm |
| r3,4 min. |
0.6 mm |
| a |
19.4 mm |
| db min. |
57 mm |
| Db max. |
85.8 mm |
| dn |
65.6 mm |
| Basic dynamic load rating C |
44.9 kN |
| Basic static load rating C0 |
34 kN |
| Fatigue load limit Pu |
1.43 kN |
| Attainable speed for grease lubrication |
19000 r/min |
| Attainable speed for oil-air lubrication |
30000 r/min |
| Ball diameter Dw |
12.7 mm |
| Number of balls z |
15 |
| Reference grease quantity Gref |
6.708 cm³ |
| Preload class A GA |
170 N |
| Static axial stiffness, preload class A |
72 N/µm |
| Preload class B GB |
340 N |
| Static axial stiffness, preload class B |
98 N/µm |
| Preload class C GC |
680 N |
| Static axial stiffness, preload class C |
137 N/µm |
| Preload class D GD |
1360 N |
| Static axial stiffness, preload class D |
198 N/µm |
| Calculation factor f |
1.08 |
| Calculation factor f1 |
1 |
| Calculation factor f2A |
1 |
| Calculation factor f2B |
1.01 |
| Calculation factor f2C |
1.03 |
| Calculation factor f2D |
1.06 |
| Calculation factor fHC |
1.01 |
| Calculation factor f0 |
14.5 |
| Mass bearing |
0.39 kg |