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BB12UU - SNR

BB12UU

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

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Technical datasheet

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PRODUCT DEFINITION
BrandSNR
Design typeBBE
Ball bushings categoryStandard ball bushings, closed
StandardJIS dimensions
Number of seals2
Material outer cylinder or steel segments100Cr6
Material CagePA
Initial greasingNo
d - Internal diameter12 mm
d - Internal diameter tolerance0/-0,009
D - External diameter21 mm
D - External diameter tolerance0/-0,013
L - Length30 mm
L - Length tolerance0/-0,2
L123 mm
L1 tolerance0/-0,2
D1 - Diameter20 mm
L21,3 mm
Number of ball rows4
Mass0,042 kg
Product classification image
PRODUCT PERFORMANCE
Cmin0,415 kN
Cmax0,587 kN
C0min0,784 kN
C0max1,109 kN
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature80 °C