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Superior Load Rating M249749 32018 Tapered Roller Bearing Truck Axle Assembly Parts

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Taper Roller Bearing is a separable radial-thrust rolling bearing, composed of cone (inner ring + roller + cage) and cup (outer ring). It can carry combined radial load, axial load and moment load at the same time. It features high rigidity, high load capacity, low friction, long service life, widely used in automobile wheels, reducers, gearboxes, hubs, rolling mills, mining machinery and other heavy equipment.

Product Gallery

3(5)1 3(1)1 3(4)1 图片8

Key Advantages

Separable & Interchangeable

Cone and cup can be installed separately, easy to mount/dismount, interchangeable with international brands.

⚡ Combined Load Capacity

Bear radial load, axial load and overturning moment at the same time, strong stability.

High Rigidity & Long Life

High-quality GCr15 bearing steel, optimized roller design, long service life, low noise.

✅ Various Structures Available

Single row, double row, four-row designs for light, medium and heavy-duty applications.

Structure Diagram

图片12

 

Common Models & Standard Sizes

Model d (mm)
Inner Bore
D (mm)
Outer Diam.
T (mm)
Width
32004 20 42 15
32005 25 47 17
30205 25 52 15
30304 20 52 15
32205 25 52 18
32305 25 62 24
30206 30 62 16
30207 35 72 17
30208 40 80 18
30209 45 85 19

Components

  • Cone (Inner Ring) + Cup (Outer Ring) – separable design

  • Tapered Rollers – inclined contact, high load capacity

  • Cage – stamped steel or brass, guide rollers stably

  • Preload adjustable – improve rigidity and precision

Technical Parameters

Item Value
Model M249749
Specification 120*180*46mm
Material GCr15 / 20Cr2Ni4A Bearing Steel
Precision P0, P6, P5, P4
Clearance C0, C1, C2, C3, C4
Type Single Row / Double Row / Four Row
Application Automobile Hub, Reducer, Gearbox, Rolling Mill

Design Type

Single Row (TS)
Double Row (TDO)
Four Row (TTA)
Flange Type

Applications

Automobile Hub
Gearbox
Reducer
Rolling Mill
Mining Machine
Heavy Truck

Packaging & Delivery

详情_17
  • Inner: plastic bag, tube, single box, anti-rust treatment

  • Outer: standard export carton + plywood pallet

  • Stock order: 3–7 working days

  • Bulk order: 7–15 working days

  • Shipping: sea, air, express(DHL, FedEx, UPS)

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