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Standard ball bushings closed

BB20UU - SNR

BB20UU

Closed ball bushings enable precise and low-friction linear movements on self-supporting hardened steel shafts.

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
Design typeBBE
Ball bushings categoryStandard ball bushings, closed
StandardJIS dimension
Number of seals2
Material outer cylinder or steel segments100Cr6
Material CagePA
Initial greasingNon/No
d - Internal diameter20 mm
d - Internal diameter tolerance0/-0,010
D - External diameter32 mm
D - External diameter tolerance0/-0,016
L - Length42 mm
L - Length tolerance0/-0,2
L130,5 mm
L1 tolerance0/-0,2
D1 - Diameter30,5 mm
L21,6 mm
Number of ball rows5
Mass0,1 kg
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PRODUCT PERFORMANCE
Cmin0,792 kN
Cmax1,159 kN
C0min1,37 kN
C0max2,004 kN
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature80 °C