Description Hardened and machined bearing pedestal made of rolling bearing steel Ball retainer made of reinforced PA Balls made of rolling bearing steel Two retaining rings Fully sealed (with integrated wiper seals and longitudinal seals) Technical data General technical data Ø d mm 30 40 50 60 80 amax m/s² 50 vmax m/s 2 m kg 1.75 3.5 7.1 11.9 29.6 FR N 12 16 20 24 30 Breakaway force N 24 32 40 48 60 μ 1) 01 ... 02 Radial clearance Comes with an h5 shaft (lower limit) and set to zero clearance Operating conditions Permissible ambient temperature (min ... max) -20 °C ... +100 °C 1) Friction coefficients of unsealed radial Linear Bushings when lubricated with oil. Load capacities and load moments Ød mm 30 40 50 60 80 C 1) N 8500 13900 20800 29500 54800 C0 1) N 9520 16000 24400 34100 61500 1) The load ratings specified apply for the main direction of loading ρ = 0°. The load ratings are based on a total travel of 100, 00 m. When based on 50 000 m, the values in the table need to be multiplied by 1.26. Legend Symbol Description Unit Ød Shaft diameters mm amax Maximum acceleration travel m/s2 C Dynamic load capacity N C0 Static load capacity N FR Friction force N m Mass kg vmax Maximum permissible speed m/s Definition of dynamic load ratings Rigidity Combining a radial Linear Bushing with a continuously supported guide shaft ensures a precise, rigid design. The following figure shows load-dependent spring. The diagram applies for installation: Without preload With zero clearance (no preload) for load direction ρ = 0° – 90° and 270° – 360° Radial Linear Bushing rigidity Installing with preload reduces spring. Additional spring in all parts of a linear guide (housing, shaft, shaft support rail) depends on the load direction. Guideline values for total spring with R1076 and R1010 elements: load direction factor multiplied by spring ∂ (from right diagram). 1) F = load N 2) ∂ = spring mm Overall deflection depending on the load direction Load direction ∂ 0° 90° 180° 270° Overall deflection 1 • ∂ 1,8 • ∂ 3,5 • ∂ 1,8 • ∂ Effect of load direction on load rating The load ratings C and C0 specified for Radial Linear Bushings apply for load direction ρ = 0°. If the external load is at an angle ρ = 90° – 270°, a reduced load capacity must be factored in. The dynamic load rating is then determined by multiplying the specified dynamic load rating C or C0 by the load direction factors fρ or fρ0. This reduced load capacity can be avoided by careful installation of the radial Linear Bushings. Diagrams/characteristic curves Load direction factors Dimensions a) Lubricating hole M8x1 sealed with plastic cap b) Radial clearance adjustable c) Shaft with shaft support rail, R1012 Dimensions Ød mm 30 40 50 60 80 A mm 100 125 160 190 260 A1 50 mm ±08 62.5 mm ±08 80 mm ±08 95 mm ±08 130 mm ±08 A2 mm 68 85 105 130 170 E1 mm 76 94 122 150 205 E2 mm 40 50 65 75 100 H 1) 32 mm ±08 40 mm ±08 50 mm ±08 60 mm ±08 80 mm ±08 H1 mm 53 66 81.5 97 130 H2 mm 65 80 100 120 160 L mm 75 100 1
Бесплатная доставка по РФ при заказе от 50 000 р.
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