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 |
| PDF |
|
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 |