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

AOSN / SINGLE ROW

30307

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 · Bore35 mmD · Outside diameter80 mmT · Overall width22.75 mm

30307 Dimensions

Source: supplied GB/T 297-94, page 3. Linear dimensions in mm. — = not provided.

SymbolValueDescription
d35Bore diameter
D80Outside diameter
T22.75Overall bearing width
B21Inner ring width
C18Outer ring width
r₁, r₂ min.2Inner ring minimum chamfer dimensions
r₃, r₄ min.1.5Outer ring minimum chamfer dimensions
α11°51′35″Nominal contact angle (GB/T drawing)
E65.769Outer ring nominal small inside diameter

30307 Dimension Drawing

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

T = 22.75C = 18B = 21D = 80d = 35r₃, r₄ ≥ 1.5r₁, r₂ ≥ 230307 · 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.