PB Series steel couplings
March 21, 2025XSRB Series steel couplings
March 21, 2025FORGED STEEL FLEXIBLE COUPLINGS
SRB SERIES
0-6.250 Nm
DESCRIPTION
- Torsion-flexible claw couplings with a compact and lightweight design. Forged steel guarantees a long service life and excellent performance.
- The couplings feature a nickel surface treatment, which provides protection against corrosion.
- For the same Spider size, all series are interchangeable, offering great versatility for any application.
FEATURES
- Torsion-flexible Spider couplings with spacer
- Designed to connect shafts with above-standard distances, various spacer lengths available
- Allows disassembly of the drive side for maintenance without moving the driven side

TECHNICAL SPECIFICATIONS
- Material: Forged Steel
- Surface Treatment: Nickel Coating
- ATEX version available: T4- Blue Spider and T6- Other Spiders
- Possibility to be mechanized according to drawing
Nominal torque (Nm) | |||||||||||||||||||
REFERENCE | SPIDER A x B | MAXIMUM Ø AXES | SPIDER 85º ShA | SPIDER 90º ShA | SPIDER 92º ShA | SPIDER 96º ShA | SPIDER 98º ShA | SPIDER 64th ShD | R.P.M MAX | P | J | G | I | E | K | H | No. screws | Tightening torque (Nm) | WEIGHT (kg) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SRB-75 | 75x16 | 38 | 80 | 80 | 100 | - | 170 | 210 | 9.500 | 185 225 |
100 140 |
50 | 36,5 | 5,5 | 3 | 36 | 5-M6 | 2.8 3.1 |
|
SRB-90 | 90x20 | 45 | 160 | 160 | 210 | - | 370 | 460 | 8.000 | 204 244 |
100 140 |
60 | 46 | 6 | 3 | 46 | 5-M6 | 4.6 5.2 |
|
SRB-120 | 120x20 | 60 | 400 | 400 | 420 | - | 695 | 860 | 6.000 | 240 280 |
100 140 |
80 | 60 | 10 | 3 | 55 | 5-M8 | 42 | 10.6 11.5 |
SRB-150 | 150x28 | 75 | 900 | 900 | 1050 | - | 1575 | 1950 | 4.500 | 320 360 |
140 180 |
100 | 78 | 12 | 4 | 75 | 6-M10 | 83 | 21 22 |
SRB-200 | 200x35 | 100 | 1.900 | 1.900 | 2400 | - | 3600 | 4500 | 3.500 | 410 480 |
180 250 |
130 | 100 | 15 | 5 | 88 | 8-M12 | 125 | 45 73 |
SRB-245 | 245x40 | 130 | 4.890 | 4.890 | 5000 | 6250 | - | - | 3.000 | 480 550 |
180 250 |
170 | 130 | 20 | 5 | 130 | 8-M14 | 200 | 66 73 |

TECHNICAL DATA SHEET
TECHNICAL SPECIFICATIONS

CERTIFICATIONS
ISO 9001

CERTIFICATIONS
ATEX