PRODUCT INFORMATION

Description and selection guidance

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

BB120AUU specifications

PRODUCT DEFINITION

Brand
SNR
Design type
BBE
Ball bushings category
Standard ball bushings, closed
Standard
JIS dimension
Number of seals
2
Material outer cylinder or steel segments
100Cr6
Material Cage
St15
Initial greasing
Non/No
d - Internal diameter
120 mm
d - Internal diameter tolerance
0/-0.020
D - External diameter
180 mm
D - External diameter tolerance
0/-0,025
L - Length
200 mm
L - Length tolerance
0/-0,4
L1
158,6 mm
L1 tolerance
0/-0,4
D1 - Diameter
175 mm
L2
4,15 mm
Number of ball rows
8
Mass
0,042 kg

PRODUCT PERFORMANCE

Cmin
24571000 mN
Cmax
31451000 mN
C0min
40000000 mN
C0max
51200000 mN
Tmin - Min operating temperature
253,15 °K
Tmax - Max operating temperature
383,15 °K
NTN-SNR ITEM SUPPORT

Send the current item and operating conditions.

Cat Son can compare dimensions, design and mounting conditions before quotation.