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

AOSN / SINGLE ROW

31326

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 · Bore130 mmD · Outside diameter280 mmT · Overall width72 mm

31326 Dimensions

Source: supplied GB/T 297-94, page 5. Linear dimensions in mm. — = not provided.

SymbolValueDescription
d130Bore diameter
D280Outside diameter
T72Overall bearing width
B66Inner ring width
C44Outer ring width
r₁, r₂ min.5Inner ring minimum chamfer dimensions
r₃, r₄ min.4Outer ring minimum chamfer dimensions
α28°48′39″Nominal contact angle (GB/T drawing)
E211.753Outer ring nominal small inside diameter

31326 Dimension Drawing

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

T = 72C = 44B = 66D = 280d = 130r₃, r₄ ≥ 4r₁, r₂ ≥ 531326 · 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.