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Representative product photographs. Appearance varies by bearing size and design.

AOSN / SINGLE ROW

32056

Single Row Tapered Roller Bearing

A separable bearing with tapered rollers and raceways, designed for combined radial and axial loading. The inner ring, roller and cage assembly can be mounted separately from the outer ring.

For axial loading in both directions, single row bearings are used in a suitable paired arrangement. Confirm the operating clearance or preload for the application.

d · Bore280 mmD · Outside diameter420 mmT · Overall width87 mm

32056 Dimensions

Source: supplied GB/T 297-94, page 6. Linear dimensions in mm. — = not provided.

SymbolValueDescription
d280Bore diameter
D420Outside diameter
T87Overall bearing width
B87Inner ring width
C65Outer ring width
r₁, r₂ min.5Inner ring minimum chamfer dimensions
r₃, r₄ min.4Outer ring minimum chamfer dimensions
α17°Nominal contact angle (GB/T drawing)
E361.811Outer ring nominal small inside diameter

32056 Dimension Drawing

Schematic section, not to scale. Dimension values follow the supplied catalogue data. Not a manufacturing drawing.

T = 87C = 65B = 87D = 420d = 280r₃, r₄ ≥ 4r₁, r₂ ≥ 532056 · Dimensions in mm · Schematic

Additional Dimensions

Additional mounting dimensions, speed limits, cage specification and tolerances require model-specific confirmation. Please contact AOSN for model-specific confirmation. — = not provided in the supplied standard.