R167121420 Bosch Rexroth

Rexroth R167121420 ball runner block carbon steel

Name: R167121420 Rexroth
Brand: Rexroth
SKU: 29943-en-usd
Price: 356.35 USD
Availability: InStock

KWD-025-BNS-C1-N-1

$356.35 50+ pcs. with 1 to 3 days delivery to United States

Specifications

Area of application: For high torsional moments on rails
The same high load ratings in all four main directions of loading
Long-term lubrication is possible over several years
Excellent dynamic characteristics
Attachments on the Ball Runner Block can be mounted from above and below

Ball runner block CS, made of Carbon steel

Series (R1671)	Wide, normal, standard height R1671...2
Size (2)	25/70 size
Preload class (1)	C1 Moderate preload

Accuracy class (4)	N Normal Accuracy Level
Seals (20)	SS Standard seal without ball chain

Dimensions
Technical data

^a) For O-ring
Size 20/40: Ø 5 · 1.0 (mm)
Size 25/70: Ø 5 · 1.0 (mm)
Open lube port if necessary (see general technical notes and information in the "Maintenance" section).
^b) Recommended position for pin holes (dimension E₄ see general technical notes and information in the "Installation" section).
Rough-drilled holes may be present here from manufacturing.
These may be bored open.
^c) Lube nipple, size 20/40:
Funnel-type lube nipple DIN 3405-A M3x5, B₂ = 1.6 mm
When using different lube nipples, pay attention to the screw-in depth of 5 mm!
Lube nipple, size 25/70:
Hydraulic-type lube nipple DIN 71412-A M6x8, B₂ = 9.5 mm
When using different lube nipples, pay attention to the screw-in depth of 8 mm!
The lube nipple is included in the scope of delivery (not installed). Connection is possible on all sides.
^d) Sealing plugs may be present here from manufacturing. Remove these prior to mounting.

S₁	6.70	mm
ØS₅	7	mm
T	80	mm
A	120	mm
A₂	69	mm
B	105
E₁	107	mm
E₈	35	mm
E₉	4.90	mm
H	35	mm
H₂	23.55	mm
K₂	15.50	mm
K₄	5.20	mm
N₂	7.05	mm

S₂	M8
S₉	M3x2 mm +4.5
V₁	7.50	mm
A₁	60	mm
A₃	25.50	mm
B₁	76.50	mm
E₂	60	mm
E_8.1	83.50	mm
E_9.1	11.30	mm
H₁	29.75	mm
K₁	15.40	mm
K₃	5.20	mm
N₁	9.35	mm
N₆	14.4 mm ±0.5

a_max (If F_comb > 2.8 • F_pr : a_max = 50 m/s²)	500	m/s²
m	1.20	kg
Operating conditions	Operating conditions
Permissible ambient temperature (min ... max) (Up to 100 °C permissible for short periods. For operation at negative temperatures, please consult us. )	-10 °C ... +80 °C