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 |
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