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  • Rail Width(mm)
  • Mounting Height H(mm)
  • Preload

    See the accuracy standard of each manufacturer.

    • Light Preload
  • Nominal Part Number
  • Surface Treatment
  • T Dimension(mm)
  • Type
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    • Within 70 working days
BOSCH REXROTH

Ball runner blocks / Steel / SKS / R1666

Ball runner blocks / Steel / SKS / R1666

Part number:

Still undefined. 7 possible part numbers found.
Quantity:

Product information

Standard BSHP ball runner block made of steel


Definition of the format of ball runner blocks

CriterionDesignationCode (example)
FNS
WidthFlange (F)F  
Slimline (S)S  
Wide (B)B  
Compact (C)C  
LengthNormal (N) N 
Long (L) L 
Short (K) K 
HeightStandard height (S)  S
High (H)  H
Low (N)  N
 

SKS – Slimline, short, standard height R1666 ... 2.

221303770780_EN

Features and Ordering

Dynamic characteristics
Travel speed: vmax = 5 m/s
Acceleration: amax = 500 m/s2
(If Fcomb > 2.8 · Fpr : amax = 50 m/s2)

Note on lubrication
▶ Pre-lubricated

Note
Can be used on all SNS/SNO ball guide rails.



Options and material numbers

SizeBall runner blocks
with size		Preload classAccuracy classSeals on ball runner blocks
without ball chainwith ball chain
C0C1NHSSLSDSSSLSDS
15R1666 19 432021–2223–
 14320212Z22232Y
20R1666 89 432021–2223–
 14320212Z22232Y
25R1666 29 432021–2223–
 14320212Z22232Y
30R1666 79 432021–2223–
 14320212Z22232Y
35R1666 39 432021–2223–
 14320212Z22232Y
E.g.:R1666 7 1 320     
 
Preload classes
C0 = Without preload (clearance)
C1 = Moderate preload
Seals
SS = Standard seal
LS = Low-friction seal
DS = Double-lip seal
Key
gray numbers = No preferred variant / combination
(partially longer delivery times)


Ordering example
Options:
▶ Ball runner blocks SKS
▶ Size 30
▶ Preload class C1
▶ Accuracy class H
▶ With standard seal, without ball chain
Material number: R1666 713 20

Dimensional Drawing and Specifications

221303770780_EN

221303770780_EN

 a) For O-ring
    Size 15: Ø 4 · 1.0 (mm)
    Size 20 – 35: Ø 5 · 1.0 (mm)
    Open lube port if necessary (see section entitled “Lubrication”).
b) Lube nipple, size 15 – 20:
    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 – 35:
    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.
SizeDimensions (mm)
AA1A2A3B+0.5B1E1E8E9HH1H21)H22)K1K2K3K4
153417159.544.725.72624.556.702419.9016.3016.2016.2517.853.203.20
2044222012.057.331.93232.507.303025.3520.7520.5522.9522.953.353.35
2548242312.567.038.63538.3011.503629.9024.4524.2525.3526.505.505.50
3060302816.075.345.04048.4014.604235.3528.5528.3528.8030.506.056.05
3570353418.084.951.45058.0017.354840.4032.1531.8532.7034.206.906.90
SizeDimensions (mm)Mass (kg)Load capacities3) (N)Load moments3) (Nm)
 

221303770780_EN

221303770780_EN

221303770780_EN

N3N6±0.5S2S5S9TV1mCC0MtMt0MLML0
156.010.3M44.5M2.5x3.5605.00.106720734065712932
207.513.2M56.0M3x5606.00.2515400165002002108389
259.015.2M67.0M3x5607.50.351980021200280300130140
3012.017.0M89.0M3x5807.00.602560028900440500200230
3513.020.5M89.0M3x5808.00.9036600493007901060340460

1) Dimension H2 with cover strip
2) Dimension H2 without cover strip
3) Load ratings and load moments for ball runner block without ball chain. Load ratings and load moments for ball runner block with ball chain  Page.12
     Determination of the dynamic load capacities and load moments is based on a stroke travel of 100,000 m according to DIN ISO 14728-1.
     Often only 50,000 m are actually stipulated. For comparison: Multiply the values C, Mt  and ML by 1.26 according to the table.

Part number list

Number of items
  • 1
    • Part number
    R166611420
    R166619420
    R166621420
    R166629420
    R166631420
    R166671420
    R166681420

    Rail Width

    (mm)

    Mounting Height H

    (mm)

    Preload

    Nominal Part Number

    Basic Load Rating: Dynamic Load

    (N)

    Basic Load Rating: Static Load

    (N)

    Allowable Static Moment MA

    (Nm)

    Allowable Static Moment MB

    (Nm)

    Allowable Static Moment MC

    (Nm)

    Surface Treatment

    T Dimension

    (mm)

    		Minimum order quantity
    15
    24
    [Light Preload] Interchangeable, Light Preload
    15
    8467
    9248
    89
    89
    40
    15
    60
    1 pieces
    15
    24
    Standard
    15
    8467
    9248
    89
    89
    40
    15
    60
    1 pieces
    23
    36
    [Light Preload] Interchangeable, Light Preload
    25
    24948
    26712
    378
    378
    176
    25
    60
    1 pieces
    23
    36
    Standard
    25
    24948
    26712
    378
    378
    176
    25
    60
    1 pieces
    34
    48
    [Light Preload] Interchangeable, Light Preload
    35
    46116
    62118
    1336
    1336
    580
    35
    80
    1 pieces
    28
    42
    [Light Preload] Interchangeable, Light Preload
    30
    32256
    36414
    630
    630
    290
    30
    80
    1 pieces
    20
    30
    [Light Preload] Interchangeable, Light Preload
    20
    19404
    20790
    265
    265
    112
    20
    60
    1 pieces
    Unit price (excluding VAT)(Unit price including VAT)
    Standard shipping days
    65.60 €
    ( 78.06 € )
    70 working days
    65.60 €
    ( 78.06 € )
    70 working days
    87.43 €
    ( 104.04 € )
    70 working days
    87.43 €
    ( 104.04 € )
    70 working days
    104.43 €
    ( 124.27 € )
    70 working days
    96.93 €
    ( 115.35 € )
    70 working days
    76.52 €
    ( 91.06 € )
    70 working days
  • 1

    • More Information

    Basic information

    [Specifications]
    - Rail Width (mm): 15, 20, 23, 28, 34
    - Mounting Height H (mm): 24, 30, 36, 42, 48
    - Nominal Part Number: 15, 20, 25, 30, 35
    - Surface Treatment: 15, 20, 25, 30, 35
    - T Dimension (mm): 60, 80