TIMKEN 372 Tapered Roller Bearings
| Bearing number: | 71918 CD/P4A |
| Size (mm): | 125x90x18 |
| Bore Diameter (mm): | 125 |
| Outer Diameter (mm): | 90 |
| Width (mm): | 18 |
| d: | 90 mm |
| D: | 125 mm |
| B: | 18 mm |
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Product Details
| Bearing number | 71918 CD/P4A |
| Size (mm) | 125x90x18 |
| Bore Diameter (mm) | 125 |
| Outer Diameter (mm) | 90 |
| Width (mm) | 18 |
| d | 90 mm |
| D | 125 mm |
| B | 18 mm |
| d1 | 100.8 mm |
| d2 | 100.8 mm |
| D1 | 114.2 mm |
| r1,2 - min. | 1.1 mm |
| r3,4 - min. | 0.6 mm |
| a | 23.5 mm |
| da - min. | 96 mm |
| db - min. | 96 mm |
| Da - max. | 119 mm |
| Db - max. | 121 mm |
| ra - max. | 1 mm |
| rb - max. | 0.6 mm |
| dn | 103.3 mm |
| Basic dynamic load rating - C | 47.5 kN |
| Basic static load rating - C0 | 51 kN |
| Fatigue load limit - Pu | 2.1 kN |
| Limiting speed for grease lubrication | 9500 r/min |
| Limiting speed for oil lubrication | 16000 mm/min |
| Ball - Dw | 11.112 mm |
| Ball - z | 26 |
| Gref | 7.5 cm3 |
| Calculation factor - f0 | 16.3 |
| Preload class A - GA | 180 N |
| Preload class B - GB | 360 N |
| Preload class C - GC | 720 N |
| Preload class D - GD | 1440 N |
| Calculation factor - f | 1 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2B | 1.04 |
| Calculation factor - f2C | 1.09 |
| Calculation factor - f2D | 1.15 |
| Calculation factor - fHC | 1 |
| Preload class A | 94 N/micron |
| Preload class B | 129 N/micron |
| Preload class C | 183 N/micron |
| Preload class D | 268 N/micron |
| Category | Precision Ball Bearings |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.6 |
| Product Group | B04270 |
| Enclosure | Open |
| Precision Class | ABEC 7 | ISO P4 |
| Material - Ball | Steel |
| 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 Precision |
| Long Description | 90MM Bore; 125MM Outside Diameter; 18MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Steel Ball Material; 1 (Single) Bearings; 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 | Angular Contact Ball |
| Manufacturer Item Number | 71918 CD/P4A |
| Weight / LBS | 1.316 |
| Bore | 3.543 Inch | 90 Millimeter |
| Width | 0.709 Inch | 18 Millimeter |
| Outside Diameter | 4.921 Inch | 125 Millimeter |
| r1,2 min. | 1.1 mm |
| r3,4 min. | 0.6 mm |
| da min. | 96 mm |
| db min. | 96 mm |
| Da max. | 119 mm |
| Db max. | 121 mm |
| ra max. | 1 mm |
| rb max. | 0.6 mm |
| Basic dynamic load rating C | 47.5 kN |
| Basic static load rating C0 | 51 kN |
| Fatigue load limit Pu | 2.08 kN |
| Attainable speed for grease lubrication | 9500 r/min |
| Attainable speed for oil-air lubrication | 16000 r/min |
| Ball diameter Dw | 11.112 mm |
| Number of balls z | 26 |
| Reference grease quantity Gref | 7.5 cm³ |
| Preload class A GA | 180 N |
| Static axial stiffness, preload class A | 94 N/µm |
| Preload class B GB | 360 N |
| Static axial stiffness, preload class B | 129 N/µm |
| Preload class C GC | 720 N |
| Static axial stiffness, preload class C | 183 N/µm |
| Preload class D GD | 1440 N |
| Static axial stiffness, preload class D | 268 N/µm |
| Calculation factor f | 1.23 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.04 |
| Calculation factor f2C | 1.09 |
| Calculation factor f2D | 1.15 |
| Calculation factor fHC | 1 |
| Calculation factor f0 | 16.3 |
| Mass bearing | 0.55 kg |
Company Profile
| Worktime |
9.00--18.00 |
| Phone |
0065-31591338 |
| Fax |
0065-31591338 |
