RD-21

Radial seal PU 58D O‑ring NBR 70 Type: RD-21

Dimensions: 100 x 89 x 4.2
Part number: 6565330
Delivery 1-5 days

More Details
Radial seal PU 72D O‑ring NBR 70 Type: RD-21

Dimensions: 100 x 89 x 4.2
Part number: 6565331
Delivery 1-5 days

More Details
Radial seal UHMW‑PE O‑ring NBR 70 Type: RD-21

Dimensions: 100 x 89 x 4.2
Part number: 6565332
Delivery 1-5 days

More Details
Radial seal PU 58D O‑ring NBR 70 Type: RD-21

Dimensions: 105 x 94 x 4.2
Part number: 6565333
Delivery 1-5 days

More Details
Radial seal PU 72D O‑ring NBR 70 Type: RD-21

Dimensions: 105 x 94 x 4.2
Part number: 6565334
Delivery 1-5 days

More Details
Radial seal UHMW‑PE O‑ring NBR 70 Type: RD-21

Dimensions: 105 x 94 x 4.2
Part number: 6565335
Delivery 1-5 days

More Details

Radial seal RD-21

Description

The radial seal RD-21 is a double acting seal, activated by an O-ring, material: NBR 70. This RD-21 seal on the outside.

Sealing material: PU or UHMW-PE activated by an O-ring, double-sided pressure loaded

Installation

Series no.	Boringdiameter DN H9		Groove diameter	Groove width	Radial slit S max		Radius	O-ring cross section
Series no.	Standard range	Available range	d1 h9	L1 +0.2	10 MPa	30 MPa	r1	d2
000	12 - 19.9	10 - 24.9	DN- 4.9	2.20	0.20	0.10	0.40	1.78
001	20 - 39.9	14 - 69.9	DN- 7.5	3.20	0.25	0.15	0.60	2.62
002	40 - 132.9	22 - 199.9	DN- 11.0	4.20	0.30	0.20	1.00	3.53
003	133 - 255.9	40 - 329.9	DN- 15.5	6.30	0.35	0.25	1.30	5.33
004	256 - 669.9	133 - 690.0	DN- 21.0	8.10	0.40	0.25	1.80	7.00
005	670 - 999.9	670 - 999.9	DN- 28.0	9.50	0.50	0.30	2.50	8.40

Shaft diameter	Groove diameter	Groove width	Article number				O-ring size
			Seal Supply			Trelleborg Zurcon® Roto Glyd Ring®
DN H9	d1 h9	L1 +0,2	PU 58D (K87)	PU 72D (K86)	UHMW-PE(K90)
			Trelleborg Z53 (1)	Trelleborg Z54 (2)	Trelleborg Z80

12	7,1	2,2	6561018	6560935	6561021	TG6000120	7,65 x 1,78
14	9,1	2,2	6565247	6565246	6565248	TG6000140	9,25 x 1,78
15	10,1	2,2	6565250	6565249	6565251	TG6000150	10,82 x 1,78
16	11,1	2,2	6565253	6565252	6565254	TG6000160	10,82 x 1,78
18	13,1	2,2	6565256	6565255	6565257	TG6000180	13,20 x 1,80
20	12,5	3,2	6565259	6565258	6565260	TG6100200	12,37 x 2,62
22	14,5	3,2	6565262	6565261	6565263	TG6100220	13,94 x 2,62
25	17,5	3,2	6564996	6561016	6561024	TG6100250	17,12 x 2,62
28	20,5	3,2	6565265	6565264	6565266	TG6100280	20,29 x 2,62
30	22,5	3,2	6565268	6565267	6565269	TG6100300	23,47 x 2,62
32	24,5	3,2	6565271	6565270	6565272	TG6100320	25,07 x 2,62
35	27,5	3,2	6565274	6565273	6565275	TG6100350	28,24 x 2,62
40	29	4,2	6565277	6565276	6565278	TG6200400	29,74 x 3,53
42	31	4,2	6565280	6565279	6565281	TG6200420	31,32 x 3,53
45	34	4,2	6565283	6565282	6565284	TG6200450	34,52 x 3,53
48	37	4,2	6565286	6565285	6565287	TG6200480	37,69 x 3,53
50	39	4,2	6565289	6565288	6565290	TG6200500	40,87 x 3,53
52	41	4,2	6565292	6565291	6565293	TG6200520	42,00 x 3,50
55	44	4,2	6565295	6565294	6565296	TG6200550	44,04 x 3,53
60	49	4,2	6565298	6565297	6565299	TG6200600	50,39 x 3,53
63	52	4,2	6565301	6565300	6565302	TG6200630	53,34 x 3,53
65	49,5	6,3	6565304	6565303	6565305	TG6300650	50,17 x 5,33
70	59	4,2	6565307	6565306	6565308	TG6200700	59,92 x 3,53
75	64	4,2	6565310	6565309	6565311	TG6200750	65,00 x 3,50
80	64,5	6,3	6565313	6565312	6565314	TG6300800	66,04 x 5,33
80	69	4,2	6565316	6565315	6565317	TG6200800	69,44 x 3,53
84	73	4,2	6565319	6565318	6565320	TG6200840	72,62 x 3,53
85	74	4,2	6565322	6565321	6565323	TG6200850	75,79 x 3,53
90	79	4,2	6565325	6565324	6565326	TG6200900	78,97 x 3,53
95	84	4,2	6565328	6565327	6565329	TG6200950	85,32 x 3,53
100	89	4,2	6565331	6565330	6565332	TG6201000	91,67 x 3,53
105	94	4,2	6565334	6565333	6565335	TG6201050	94,84 x 3,53
110	99	4,2	6565337	6565336	6565338	TG6201100	101,19 x 3,53
115	104	4,2	6565340	6565339	6565341	TG6201150	104,37 x 3,53
120	109	4,2	6565343	6565342	6565344	TG6201200	110,72 x 3,53
125	114	4,2	6565346	6565345	6565347	TG6201250	113,89 x 3,53
130	119	4,2	6565349	6565348	6565350	TG6201300	120,24 x 3,53
135	119,5	6,3	6565352	6565351	6565353	TG6301350	120,02 x 5,33
140	124,5	6,3	6565355	6565354	6565356	TG6301400	126,37 x 5,33
150	134,5	6,3	6565358	6565357	6565359	TG6301500	135,89 x 5,33
150	139	4,2	6565361	6565360	6565362	TG6201500	139,29 x 3,53
160	144,5	6,3	6565364	6565363	6565365	TG6301600	145,42 x 5,33
170	154,5	6,3	6565367	6565366	6565368	TG6301700	158,12 x 5,33
180	164,5	6,3	6565370	6565369	6565371	TG6301800	164,47 x 5,33
190	174,5	6,3	6565373	6565372	6565374	TG6301900	177,17 x 5,33
200	184,5	6,3	6565376	6565375	6565377	TG6302000	189,87 x 5,33
210	194,5	6,3	6565379	6565378	6565380	TG6302100	196,22 x 5,33
220	204,5	6,3	6565382	6565381	6565383	TG6302200	208,92 x 5,33
230	214,5	6,3	6565385	6565384	6565386	TG6302300	215,27 x 5,33
240	224,5	6,3	6565388	6565387	6565389	TG6302400	227,92 x 5,33
250	234,5	6,3	6565391	6565390	6565392	TG6302500	240,67 x 5,33
280	259	8,1	6565394	6565393	6565395	TG6402800	260,00 x 7,00
300	279	8,1	6565397	6565396	6565398	TG6403000	280,00 x 7,00
320	299	8,1	6565400	6565399	6565401	TG6403200	300,00 x 7,00
350	329	8,1	6565403	6565402	6565404	TG6403500	329,57 x 7,00
400	379	8,1	6565406	6565405	6565407	TG6404000	380,37 x 7,00
420	399	8,1	6565409	6565408	6565410	TG6404200	400,00 x 7,00
450	429	8,1	6565412	6565411	6565413	TG6404500	430,66 x 7,00
480	459	8,1	6565415	6565414	6565416	TG6404800	462,00 x 7,00
500	479	8,1	6565418	6565417	6565419	TG6405000	481,38 x 7,00
600	579	8,1	6565421	6565420	6565422	TG6406000	582,68 x 7,00
700	672	9,5	6565424	6565423	6565425	TG6507000	670,00 x 8,40

(1) New compound, used to be Z51
(2) New compound, used to be Z52

Operating parameters

Pressure (MPa): ≤ 40
Temperature (°C): -30 up to + 100
Speed: up to pv 6,5 MPa x m/s

Medium

Mineral-based lubricating greases
Synthetic and natural ester HEES, HETG up to +60°C
Flame retardant hydraulic fluids HFA, HFC up to +60°C

Z80 is recommended for sealing, for example, coolants or air

Benefits

Low friction
Stick-slip free start. Material does not stick
High wear resistance and dimensional stability
Simple groove design, small groove dimensions

Note: If the operating temperature is constantly above 60 ° C, the pressure and speed are limited.

Installation

De RD-21 is possible from 12 mm. be mounted in closed grooves. This depends on the material choice. The table below shows when the grooves must be open for assembly.

Serie no.	Open grooves required when the size is less than<
	K87	K86	K90
001	ø 25	ø 12	ø 25
002	ø 38	ø 25	ø 38
003	ø 50	ø 32	ø 50
004	ø 75	ø 50	ø 75