ROTEX® Hub / KTR Systems (Part Numbers - CAD Download)

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ROTEX component 1a Positive-locking power transmission, permissible torque depending on the permissible surface pressure. Not suitable for backlash-free power transmission with heavily reversing operation.ROTEX® Standard - torsionally flexible jaw couplingThe original - renowned industrial standardThe torsionally flexible jaw coupling ROTEX Standard is an elastomer coupling with feather keyway and particularly low-cost due to its simple structure. For mounting the hubs of the elastomer coupling are simply pushed onto the shafts and axially fastened via setscrews.The coupling hubs of the flexible shaft coupling are available in the materials sintered steel, aluminium dieast, aluminium, cast iron and nodular iron.Our flexible elastomer couplings ROTEX Standard are provided with splines acc. to DIN and SAE as a standard.ROTEX couplings are suitable for universal use and applied as a flexible shaft connection in almost all ranges of general machinery and plant engineering.

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Product specification
Part Numbers
Catalog

ROTEX® Flexible Jaw Couplings

Hub Types

Due to the numerous applications of ROTEX® for many different applications and mounting situations, this coupling system is available with various hub types. These types mainly differ in that they offer either positive or frictionally engaged connections, but mounting situations like, for example, gear shafts with integrated transmission cams or similar applications are covered, too.

	Type 1.0 hub with feather keyway and setscrew Positive locking power transmission, permissible torque depending on the permissible surface pressure. Not suitable for backlash-free power transmission with heavily reversing operation. Type 1.1 hub without feather keyway with setscrew Non-positive torque transmission for crimp and glued connections. (No ATEX-release) Type 1.3 hub with spline bore (see page 20)			Type 2.0 clamping hub single slotted without feather keyway Frictionally engaged, backlash-free shaft-hub-connection-. Transmittable torques depending on bore diameter (see page 34). (For ATEX category 3 only) Type 2.1 clamping hub single slotted with feather keyway Non-positive torque transmission for crimp and glued connections. (No ATEX-release) Positive locking power transmission with additional frictionally engaged condition. The frictional engagement avoids or reduces the reverse backlash. Surface pressure of the keyway connection is reduced. Type 2.3 clamping hub with spline (see page 29/30)

	Type 4.2 hub with CLAMPEX® clamping set KTR 250 Frictionally engaged, backlash-free shaft-hub-connection for the transmission of average torques. Type 4.1 for CLAMPEX® clamping set KTR 200 type 4.3 for CLAMPEX® clamping set KTR 400 Frictionally engaged, backlash-free shaft-hub-connection for the transmission of high torques.			Type 6.0 clamping ring hub (see ROTEX® GS series) Integrated frictionally engaged shaft-hub-connection for the transmission of higher torques. Screwing on elastomer side. For details about torque and dimensions see page 29. Suitable for high speeds. Type 6.5 clamping ring hub (see ROTEX® GS series) Design like 6.0, except for clamping screws externally. As an example for radial disassembly of intermediate pipe (special design).

	Type 7.5 clamping hub type DH without feather keyway for double-cardanic connection Frictionally engaged, backlash-free shaft-hub-connection for radial assembly of coupling. Transmittable torques depending on bore diameter (For ATEX category 3 only) Type 7.6 clamping hub type DH with feather keyway for double-cardanic connection Positive locking power transmission with additional friction fit for radial assembly of coupling. The frictional engagement avoids or reduces the reverse backlash. Surface pressure of the keyway connection is reduced.			Type 7.8 clamping hub type H without feather keyway Frictionally engaged, backlash-free shaft-hub-connection for radial assembly of coupling. Transmittable torques depending on bore diameter (For ATEX category 3 only) Type 7.9 clamping hub type H with feather keyway Positive locking power transmission with additional friction fit for radial assembly of coupling. The frictional engagement avoids or reduces the reverse backlash. Surface pressure of the keyway connection is reduced.

	Type 7.0 SPLIT hub without feather keyway Split hub made of cast iron. Frictionally engaged, backlashfree shaft-hub-connection-. Transmittable torques depending on bore diameter (For ATEX category 3 only)			Type 7.1 SPLIT hub with feather keyway Split hub made of cast iron. Positive locking power transmission with additional frictionally engaged condition. The frictional engagement avoids or reduces the reverse backlash. Surface pressure of the keyway connection is reduced.

	FNN hub Coupling hub to be connected to an attachment such as brake drum, brake disk and fan.			SD hub shifting hub Coupling hub for separating or switching on the driving/ driven machine with standstill of the machine. Can be combined with slip ring and shiftable linkage.

	TB1 hub/TB2 hub Coupling hub for taper clamping bushes. TB1 screwed on cam side. TB2 screwed externally.			Type 3Na + 4N Driving flange with flange type K For type AFN and BFN: With type AFN the spider can be replaced while being assembled without having to disassemble the driving and driven side.

	Mitnehmerflansch Ausf. 3b Driving flange to connect to customer’s component. Abmessungen siehe Seite 38			Mitnehmerflansch Ausf. 3Na Driving flange to connect to customer’s component. Abmessungen siehe Seite 38

Data to be displayed: 30; 45; 60

Part Number
020285122870
020285123150
020285123415
020285123416
020285131710
020285131730
020285131740
020285131741
020285131742
020285131761
020285132010
020285132240
020285132510
020285160040
020286000040
020286000047
020286001400
020286001600
020286001800
020286001900
020286002000
020286002200
020286002400
020286002500
020286002800
020286021930
020286031710
020286031740
020286031741
020286100050
020286102800
020286103000
020286103200
020286103500
020286103800
020289100040
020383000040
020383001800
020383001900
020383002000
020383002200
020383002400
020383002500
020383002700
020383002800
020383003000
020383003200
020383003500
020383003800
020383004000
020383021930
020383022280
020383022290
020383022511
020383022870
020383023130
020383023150
020383023415
020383023830
020383031710

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	Outer Dia. (Ø DA) (mm)	Product type	Size	Material	Version	Bore (mm)	Fit	Speed max. (rpm)	permissible axial displacement (mm)	permissible radial misalignment (mm)	permissible angular displacement (°)	l1,l2 (mm)	E (mm)	Taper type	Net weight (kg)	Big Order Quantity
31.51 €	1	3 Days	65	ROTEX 28 ST	28	Steel	ANSI/AGMA 9002-C14	28.575	-	11500	-0,7 / +1,5	0.25	0.9	35	20	-	0.79	50
31.51 €	1	3 Days	65	ROTEX 28 ST	28	Steel	ANSI/AGMA 9002-C14	31.75	-	11500	-0,7 / +1,5	0.25	0.9	35	20	-	0.75	50
31.51 €	1	3 Days	65	ROTEX 28 ST	28	Steel	ANSI/AGMA 9002-C14	34.925	-	11500	-0,7 / +1,5	0.25	0.9	35	20	-	0.61	50
40.09 €	1	3 Days	65	ROTEX 28 ST	28	Steel	ANSI/AGMA 9002-C14	34.925	-	11500	-0,7 / +1,5	0.25	0.9	60	20	-	1.15	50
34.38 €	1	3 Days	65	ROTEX 28 ST	28	Steel	Taper	-	-	11500	-0,7 / +1,5	0.25	0.9	35	20	B-17 1:5	0.41	50
34.38 €	1	3 Days	65	ROTEX 28 ST	28	Steel	Taper	-	-	11500	-0,7 / +1,5	0.25	0.9	35	20	B-17L 1:5	0.71	50
34.38 €	1	3 Days	65	ROTEX 28 ST	28	Steel	Taper	-	-	11500	-0,7 / +1,5	0.25	0.9	35	20	N/2 1:8	0.51	50
34.38 €	1	3 Days	65	ROTEX 28 ST	28	Steel	Taper	-	-	11500	-0,7 / +1,5	0.25	0.9	35	20	N/2a 1:8	0.51	50
34.38 €	1	3 Days	65	ROTEX 28 ST	28	Steel	Taper	-	-	11500	-0,7 / +1,5	0.25	0.9	35	20	N/2b 1:8	0.66	50
34.38 €	1	3 Days	65	ROTEX 28 ST	28	Steel	Taper	-	-	11500	-0,7 / +1,5	0.25	0.9	35	20	N/2aL 1:8	0.62	50
34.38 €	1	3 Days	65	ROTEX 28 ST	28	Steel	Taper	-	-	11500	-0,7 / +1,5	0.25	0.9	35	20	C-20 1:5	0.483	50
34.38 €	1	3 Days	65	ROTEX 28 ST	28	Steel	Taper	-	-	11500	-0,7 / +1,5	0.25	0.9	35	20	N/3 1:8	0.58	50
34.38 €	1	3 Days	65	ROTEX 28 ST	28	Steel	Taper	-	-	11500	-0,7 / +1,5	0.25	0.9	35	20	D-25 1:5	0.68	50
56.43 €	1	3 Days	65	ROTEX 28 ST	28	Steel	Unbored	-	-	11500	-0,7 / +1,5	0.25	0.9	80	-	-	2.13	50
12.24 €	1	3 Days	65	ROTEX 28 ALU	28	Aluminum	Unbored	-	-	-	-0,7 / +1,5	0.25	0.9	30	20	-	0.269	50
13.51 €	1	3 Days	65	ROTEX 28 ALU	28	Aluminum	Pre-bored	23	-	-	-0,7 / +1,5	0.25	0.9	30	20	-	0.225	50
24.91 €	1	3 Days	65	ROTEX 28 ALU	28	Aluminum	With keyway	14	H7	-	-0,7 / +1,5	0.25	0.9	30	20	-	0.19	50
24.91 €	1	3 Days	65	ROTEX 28 ALU	28	Aluminum	With keyway	16	H7	-	-0,7 / +1,5	0.25	0.9	30	20	-	0.2	50
24.91 €	1	3 Days	65	ROTEX 28 ALU	28	Aluminum	With keyway	18	H7	-	-0,7 / +1,5	0.25	0.9	30	20	-	0.18	50
24.91 €	1	3 Days	65	ROTEX 28 ALU	28	Aluminum	With keyway	19	H7	-	-0,7 / +1,5	0.25	0.9	30	20	-	0.18	50
24.91 €	1	3 Days	65	ROTEX 28 ALU	28	Aluminum	With keyway	20	H7	-	-0,7 / +1,5	0.25	0.9	30	20	-	0.18	50
24.91 €	1	3 Days	65	ROTEX 28 ALU	28	Aluminum	With keyway	22	H7	-	-0,7 / +1,5	0.25	0.9	30	20	-	0.17	50
24.91 €	1	3 Days	65	ROTEX 28 ALU	28	Aluminum	With keyway	24	H7	-	-0,7 / +1,5	0.25	0.9	30	20	-	0.185	50
24.91 €	1	3 Days	65	ROTEX 28 ALU	28	Aluminum	With keyway	25	H7	-	-0,7 / +1,5	0.25	0.9	30	20	-	0.174	50
24.91 €	1	3 Days	65	ROTEX 28 ALU	28	Aluminum	With keyway	28	H7	-	-0,7 / +1,5	0.25	0.9	30	20	-	0.15	50
24.91 €	1	3 Days	65	ROTEX 28 ALU	28	Aluminum	ANSI/AGMA 9002-C14	19.05	-	-	-0,7 / +1,5	0.25	0.9	30	20	-	0.18	50
29.16 €	1	3 Days	65	ROTEX 28 ALU	28	Aluminum	Taper	-	-	-	-0,7 / +1,5	0.25	0.9	30	20	B-17 1:5	0.13	50
29.16 €	1	3 Days	65	ROTEX 28 ALU	28	Aluminum	Taper	-	-	-	-0,7 / +1,5	0.25	0.9	30	20	N/2 1:8	0.15	50
29.16 €	1	3 Days	65	ROTEX 28 ALU	28	Aluminum	Taper	-	-	-	-0,7 / +1,5	0.25	0.9	30	20	N/2a 1:8	0.15	50
14.38 €	1	3 Days	65	ROTEX 28 ALU	28	Aluminum	Pre-bored	23	-	-	-0,7 / +1,5	0.25	0.9	30	20	-	0.357	50
27.11 €	1	3 Days	65	ROTEX 28 ALU	28	Aluminum	With keyway	28	H7	-	-0,7 / +1,5	0.25	0.9	30	20	-	0.26	50
27.11 €	1	3 Days	65	ROTEX 28 ALU	28	Aluminum	With keyway	30	H7	-	-0,7 / +1,5	0.25	0.9	30	20	-	0.25	50
27.11 €	1	3 Days	65	ROTEX 28 ALU	28	Aluminum	With keyway	32	H7	-	-0,7 / +1,5	0.25	0.9	30	20	-	0.25	50
27.11 €	1	3 Days	65	ROTEX 28 ALU	28	Aluminum	With keyway	35	H7	-	-0,7 / +1,5	0.25	0.9	30	20	-	0.23	50
27.11 €	1	3 Days	65	ROTEX 28 ALU	28	Aluminum	With keyway	38	H7	-	-0,7 / +1,5	0.25	0.9	30	20	-	0.22	50
95.47 €	1	3 Days	65	ROTEX 28	28	Stainless Steel (1.4305)	Unbored	-	-	-	-0,7 / +1,5	0.25	0.9	30	20	-	0.97	50
34.38 €	1	3 Days	80	ROTEX 38 GG	38	Gray cast iron	Unbored	-	-	8300	-0,7 / +1,8	0.28	1	45	24	-	1.31	50
49.10 €	1	3 Days	80	ROTEX 38 GG	38	Gray cast iron	With keyway	18	H7	8300	-0,7 / +1,8	0.28	1	45	24	-	1.21	50
49.10 €	1	3 Days	80	ROTEX 38 GG	38	Gray cast iron	With keyway	19	H7	8300	-0,7 / +1,8	0.28	1	45	24	-	1.21	50
49.10 €	1	3 Days	80	ROTEX 38 GG	38	Gray cast iron	With keyway	20	H7	8300	-0,7 / +1,8	0.28	1	45	24	-	1.2	50
49.10 €	1	3 Days	80	ROTEX 38 GG	38	Gray cast iron	With keyway	22	H7	8300	-0,7 / +1,8	0.28	1	45	24	-	1.17	50
49.10 €	1	3 Days	80	ROTEX 38 GG	38	Gray cast iron	With keyway	24	H7	8300	-0,7 / +1,8	0.28	1	45	24	-	1.15	50
49.10 €	1	3 Days	80	ROTEX 38 GG	38	Gray cast iron	With keyway	25	H7	8300	-0,7 / +1,8	0.28	1	45	24	-	1.14	50
49.10 €	1	3 Days	80	ROTEX 38 GG	38	Gray cast iron	With keyway	27	H7	8300	-0,7 / +1,8	0.28	1	45	24	-	1.117	50
49.10 €	1	3 Days	80	ROTEX 38 GG	38	Gray cast iron	With keyway	28	H7	8300	-0,7 / +1,8	0.28	1	45	24	-	1.1	50
49.10 €	1	3 Days	80	ROTEX 38 GG	38	Gray cast iron	With keyway	30	H7	8300	-0,7 / +1,8	0.28	1	45	24	-	1.06	50
49.10 €	1	3 Days	80	ROTEX 38 GG	38	Gray cast iron	With keyway	32	H7	8300	-0,7 / +1,8	0.28	1	45	24	-	1.04	50
49.10 €	1	3 Days	80	ROTEX 38 GG	38	Gray cast iron	With keyway	35	H7	8300	-0,7 / +1,8	0.28	1	45	24	-	0.98	50
49.10 €	1	3 Days	80	ROTEX 38 GG	38	Gray cast iron	With keyway	38	H7	8300	-0,7 / +1,8	0.28	1	45	24	-	0.93	50
49.10 €	1	3 Days	80	ROTEX 38 GG	38	Gray cast iron	With keyway	40	H7	8300	-0,7 / +1,8	0.28	1	45	24	-	0.91	50
49.10 €	1	3 Days	80	ROTEX 38 GG	38	Gray cast iron	ANSI/AGMA 9002-C14	19.05	-	8300	-0,7 / +1,8	0.28	1	45	24	-	1.21	50
49.10 €	1	3 Days	80	ROTEX 38 GG	38	Gray cast iron	ANSI/AGMA 9002-C14	22.225	-	8300	-0,7 / +1,8	0.28	1	45	24	-	1.18	50
49.10 €	1	3 Days	80	ROTEX 38 GG	38	Gray cast iron	ANSI/AGMA 9002-C14	22.225	-	8300	-0,7 / +1,8	0.28	1	45	24	-	1.17	50
49.10 €	1	3 Days	80	ROTEX 38 GG	38	Gray cast iron	ANSI/AGMA 9002-C14	25.4	-	8300	-0,7 / +1,8	0.28	1	45	24	-	1.13	50
49.10 €	1	3 Days	80	ROTEX 38 GG	38	Gray cast iron	ANSI/AGMA 9002-C14	28.575	-	8300	-0,7 / +1,8	0.28	1	45	24	-	1.1	50
49.10 €	1	3 Days	80	ROTEX 38 GG	38	Gray cast iron	ANSI/AGMA 9002-C14	31.75	-	8300	-0,7 / +1,8	0.28	1	45	24	-	1.05	50
49.10 €	1	3 Days	80	ROTEX 38 GG	38	Gray cast iron	ANSI/AGMA 9002-C14	31.75	-	8300	-0,7 / +1,8	0.28	1	45	24	-	1.06	50
49.10 €	1	3 Days	80	ROTEX 38 GG	38	Gray cast iron	ANSI/AGMA 9002-C14	34.925	-	8300	-0,7 / +1,8	0.28	1	45	24	-	0.98	50
49.10 €	1	3 Days	80	ROTEX 38 GG	38	Gray cast iron	ANSI/AGMA 9002-C14	38.1	-	8300	-0,7 / +1,8	0.28	1	45	24	-	0.93	50
52.38 €	1	3 Days	80	ROTEX 38 GG	38	Gray cast iron	Taper	-	-	8300	-0,7 / +1,8	0.28	1	45	24	B-17 1:5	0.65	50

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Basic Attributes

Outer Dia. (Ø DA)(mm)
30

40

55

65

80

95

105

120

135

160

200

225

255

290

320

370

420
Clear
Product type
ROTEX 14 SINT

ROTEX 14 ST

ROTEX 19

ROTEX 19 ALU

ROTEX 19 SINT

ROTEX 19 ST

ROTEX 24

ROTEX 24 ALU

ROTEX 24 SINT

ROTEX 24 ST

ROTEX 28

ROTEX 28 ALU

ROTEX 28 ST

ROTEX 38

ROTEX 38 ALU

ROTEX 38 GG

ROTEX 38 ST

ROTEX 42 ALU

ROTEX 42 GG

ROTEX 42 ST

ROTEX 48 GG

ROTEX 48 ST

ROTEX 55 GG

ROTEX 55 ST

ROTEX 65 GG

ROTEX 65 ST

ROTEX 75 GG

ROTEX 75 ST

ROTEX 90 GG

ROTEX 90 ST

ROTEX 100 GGG

ROTEX 100 ST

ROTEX 110 GGG

ROTEX 110 ST

ROTEX 125 GGG

ROTEX 125 ST

ROTEX 140 GGG

ROTEX 140 ST

ROTEX 160 GGG

ROTEX 160 ST

ROTEX 180 GGG
Clear
Size
14

19

24

28

38

42

48

55

65

75

90

100

110

125

140

160

180
Clear
Material
Stainless Steel (1.4305)

Stainless Steel (1.4571)

Aluminum

Ductile cast iron

Gray cast iron

Sintered steel

Steel
Clear
Version
TB1

TB2

ANSI/AGMA 9002-C14

Pre-bored

Taper

Unbored

With keyway
Clear
Bore(mm)
8

9

10

11

12

12.7

13

14

15

15.875

16

17

18

19

19.05

20

22

22.225

23

24

25

25.4

27

28

28.575

30

31.75

32

34.925

35

36

38

38.1

40

41.275

42

45

47.625

48

50

53.975

55

56

58

60

62

63

65

70

75

78

80

85

85.725

90

95

98

100

105

108

110

115

120

125

130

135

140

145

150

160

165

170

180

185
Clear
Fit
- F7
- H7
- K7
Clear
Speed max.(rpm)
2050

2350

2600

2950

3300

3350

3800

4150

4750

4950

5550

5650

6350

7000

7250

8000

8300

9500

11500

13800

19000

25400
Clear
permissible axial displacement(mm)
-3,0 / +6,4

-2,0 / +4,2

-2,0 / +4,6

-2,0 / +5,0

-2,5 / +5,7

-1,0 / +2,0

-1,0 / +2,1

-1,0 / +2,2

-1,0 / +2,6

-1,5 / +3,0

-1,5 / +3,4

-1,5 / +3,8

-0,5 / +1,0

-0,5 / +1,2

-0,5 / +1,4

-0,7 / +1,5

-0,7 / +1,8
Clear
permissible radial misalignment(mm)
0.17

0.2

0.22

0.25

0.28

0.32

0.36

0.38

0.42

0.48

0.5

0.52

0.55

0.6

0.62

0.64

0.68
Clear
permissible angular displacement(°)
- 0.9
- 1
- 1.1
- 1.2
- 1.3
Clear
l1,l2(mm)
11

11.5

17

18.5

22

24

25

26

30

33

35

37

39

45

50

52

56

60

65

70

75

80

85

90

100

110

120

125

140

155

160

175

180

195
Clear
E(mm)
13

16

18

20

24

26

28

30

35

40

45

50

55

60

65

75

85
Clear
Taper type
D-25 1:5

C-20 1:5

B-17 1:5

B-17L 1:5

A-10 1:5

A-10L 1:5

N/1 1:8

N/1L 1:8

N/1d 1:8

N/2 1:8

N/2a 1:8

N/2aL 1:8

N/2b 1:8

N/3 1:8

N/3L 1:8
Clear
Type
Clear
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