High Precision Tapered Roller Bearings For Wheels 21.986 x 45.237 x 15.494mm
Certification:ISO9001:2008
Single row tapered roller bearing LM12749 high Precision for automotive wheel
Description :
| Model | LM12749 |
| Bearing material | GCr15/AISI52100/100Cr6 |
| ID*OD*W (mm) | 21.986 x 45.237 x 15.494mm |
| Seal type | double shields |
| Lead time | Stock or 15-30days |
| Weight(kg) | 0.116 |
| Basic dynamic load ratings/C | 27.5 kN |
| Basic static load ratings/C0 | 31 kN |
| Limiting speed | 17000 r/min |
| Clearance | C2,C0,C3,C4,C5 |
| Viberation Level | V1,V2,V3,V4 |
| Precision Rating | P0,P6,P5, |
| MOQ | No MOQ |
| Port | Shanghai |
| Grease | Mobil polyrex EM,Kyodo Yushi SRL |
| Payment terms | T/T, L/C,Western Union, Paypal |
Tapered roller bearings have tapered inner and outer ring raceways and tapered rollers. They are designed to accommodate combined loads, i.e. simultaneously acting radial and axial loads. The projection lines of the raceways meet at a common point on the bearing axis to provide true rolling and low friction. The axial load carrying capacity of tapered roller bearings increases with increasing contact angle . The size of the angle is indicated by the calculation factor e : the larger the value of e, the larger the contact angle. A single row tapered roller bearing is typically adjusted against a second tapered roller bearing.
Single row tapered roller bearings are separable ,i.e. the inner ring with roller and cage assembly (cone) can be mounted separately from the outer ring (cup).
Drawing:
Photos:
Other Models:
| d(mm) | D(mm) | T(mm) | Model | Weight(KG) |
| 7.937 | 31.991 | 10.008 | A2031 A2126 | 0.05 |
| 11.112 | 34.988 | 10.998 | A4044 A4138 | 0.05 |
| 12.68 | 34.988 | 10.998 | A4049 A4138 | 0.05 |
| 12.7 | 38.1 | 13.495 | 00050 00150 | 0.08 |
| 15.875 | 39.992 | 12.014 | A6062 A6157 | 0.06 |
| 15.875 | 49.225 | 23.02 | 09062 09194 | 0.21 |
| 16.993 | 39.982 | 12.014 | A6067 A6157A | 0.08 |
| 16.993 | 39.982 | 12.014 | A6067 A6157 | 0.08 |
| 17.455 | 36.525 | 11.112 | A5069 A5144 | 0.05 |
| 17.462 | 44.45 | 12.7 | 4C 6 | 0.09 |
| 17.462 | 44.45 | 15.494 | 05068 05175 | 0.12 |
| 17.987 | 47 | 14.381 | 05070XS 05185-S | 0.13 |
| 18 | 47 | 14.381 | 05070X 05185-S | 0.13 |
| 19.004 | 56.896 | 19.368 | 1774 1729 | 0.26 |
| 19.004 | 56.896 | 19.368 | 1774 1729X | 0.26 |
| 19.05 | 41.275 | 11.905 | A6075 A6162 | 0.07 |
| 19.05 | 44.45 | 12.7 | 4A 6 | 0.09 |
| 19.05 | 47 | 14.381 | 05075X 05185-S | 0.13 |
| 19.05 | 49.225 | 21.209 | 09067 09194 | 0.19 |
| 19.05 | 49.225 | 23.02 | 09074 09194 | 0.19 |
| 19.05 | 49.225 | 23.02 | 09074 09196 | 0.19 |
| 19.05 | 49.225 | 23.02 | 09078 09194 | 0.19 |
| 19.05 | 49.225 | 23.02 | 09078 09196 | 0.19 |
| 19.05 | 50.8 | 20.637 | 09074 09201 | 0.2 |
| 19.05 | 52.8 | 18.034 | LM11949 LM11919 | 0.2 |
| 19.05 | 52.883 | 18.43 | 09067 09194-S | 0.21 |
| 19.05 | 52.883 | 20.241 | 09074 09194-S | 0.21 |
| 19.05 | 53.975 | 22.225 | 21075 21213 | 0.25 |
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