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Quick Details

  • Structure: Taper
  • Type: Roller
  • Brand Name: KOYO
  • Bore Size: 15 - 260 mm
  • Outside Diameter: 35 - 480 mm
  • Model Number: M86649R/10
  • Precision Rating: P0, P6, P5, P4
  • Seals Type: Open Type
  • Number of Row: Single Row
  • Place of Origin: China (Mainland)
  • Material:: GCr15(SAE52100/100CR6)
  • Clearance:: C2,C0,C3,C4,C5
  • Rich Stock:: Available
  • Minimum Order Quantity:: 1 Piece
  • Marking:: Brand + Bearing Number
  • Packing:: Brand Box / Export Packing
  • Sample Orders:: Acceptable
  • Trade Terms:: FOB/ CFR/ CIF/ EXW
  • Payment Terms:: T/T or L/C
  • OEM:: Avaiable

Packaging & Delivery

Packaging Details: Brand Box / Export Packing
Delivery Detail: 3 to 5 Working Day for Available Inventories


KOYO Tapered Roller Bearing M86649R/10
1.High Thrust and Radial Loads
2.Impact loads
3.ISO Standard
4.Best Price

KOYO Tapered roller bearing M86649R/10

Tapered roller bearings are designed such that outer ring, inner ring and rollers have tapered surfaces whose apexes converge at a common point on the bearing axis. Along with metric series bearings, inch series bearings are also available. This type of bearing is suitable for applications that involve heavy or impact loading.

Single-row tapered roller bearings

Able to carry radial and axial load in one direction simultaneously. Because an axial component of force is produced when this type of bearing is loaded radially, two bearings are used together facing one another, or two or more bearings are matched and used.

There are the standard, medium and steep type which are different in contact angle size. Medium-tapered metric series bearings are identified by the supplementary code "C" which is added as a suffix to bearing numbers.

Bearings whose outer ring width, outer ring small inside diameter and contact angle are determined in accordance with ISO 355 specifications are identified by the supplementary code "J" as a suffix. Inner ring assemblies and the outer rings of such bearings are interchangeable with those of bearings produced abroad if the bearing numbers are the same.

Double-row tapered roller bearings

These bearings are divided into the TDO type which has one double outer ring and two singlerow inner rings, and the TDI type which has two single-row outer rings and one double inner ring. Both accommodate radial and axial loading in both directions.
These two also carry moment loads, however, the TDO type is superior to the TDI type, because the distance between load centers (a) is longer in the TDO type.

The spacer of the TDO type, or the TDI type, pre-adjusts the internal clearance to provide proper operating clearance after mounting.



Bearing No.Boundary dimensions(mm)Load ratings(kN)Limiting speeds(RPM)
dDTBr(min)r1(min)CrC0rGrease lub.Oil lub


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