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Middle East / Africa
On road transport

RY437

RY557 Appropriate Sizes

Pattern No.RY557
Size PR LI/SS

Overall
Width

(mm)

Overall
Diameter

(mm)

Loaded
Radius

(mm)

Rolling

(mm)
Circ.+-2%

Measuring
Rim

(inch)

Approved Rim
Contours
12.00R24

315/80R22.5		 20

18		 160/156K

154/150M(156/150L)		 312

314		 1212

1084		 563

504		 3672

3286		 8.5

9		 8.5, 8.50V, B8.5,
9.0, 9.00V
9.00, 9.75
 

RY437

RY237 Appropriate Sizes

Pattern No.RY237
Size PR LI/SS

Overall
Width

(mm)

Overall
Diameter

(mm)

Loaded
Radius

(mm)

Rolling

(mm)
Circ.+-2%

Measuring
Rim

(inch)

Approved Rim
Contours
10.00R20

11.00R20		 16

16		 148/145L

150/146L		 312

314		 1050

1080		 499

505		 3217

3283		 7.5

8		 7.5, 7.50V,
8.0, 8.00V
7.5, 8.00V,
8.50, 9.00V
 

RY437

RY023 Appropriate Sizes

Pattern No.RY023
Size PR LI/SS

Overall
Width

(mm)

Overall
Diameter

(mm)

Loaded
Radius

(mm)

Rolling

(mm)
Circ.+-2%

Measuring
Rim

(inch)

Approved Rim
Contours
11R22.5
12R22.5
215/75R17.5
215/75R17.5
215/75R17.5
235/75R17.5
235/75R17.5
295/80R22.5
315/80R22.5		 16
-
16
14
14
14
16
-
18		 148/145M
152/148M
122/120M
122/120M
122/120M
132/130M
132/130M
152/148M
154/150M(156/150L)		 275
291
215
215
215
238
238
303
313		 1052
1084
776
776
776
805
805
1050
1079

491
504
360
360
360
372
372
489
501

3195
3286
2350
2350
2350
2433
2433
3185
3269

8.25
9
6
6
6
6.75
6.75
9
9

7.50, 8.25
8.25, 9.00
6.75
6.75
6.75
7.5
7.5
8.25, 9.00
9.00, 9.75
 

RY437

TY303 Appropriate Sizes

Pattern No.TY303
Size PR LI/SS

Overall
Width

(mm)

Overall
Diameter

(mm)

Loaded
Radius

(mm)

Rolling

(mm)
Circ.+-2%

Measuring
Rim

(inch)

Approved Rim
Contours
11R22.5
295/80R22.5
315/80R22.5		 16
-
-		 148/145M
152/148M
154/150M(156/150L)		 275
303
312		 1066
1067
1091		 497
496
526		 3236
3234
3366		 8.25
9
9		 7.50, 8.25
8.25, 9.00
9.00, 9.75
 

RY437

Y785R Appropriate Sizes

Pattern No.Y785R
Size PR LI/SS

Overall
Width

(mm)

Overall
Diameter

(mm)

Loaded
Radius

(mm)

Rolling

(mm)
Circ.+-2%

Measuring
Rim

(inch)

Approved Rim
Contours
8.25R20

9.00R20

10.00R20

11.00R20		 14

14

14 16

14 16 		136/134L

141/138L

146/144K

149/145K 		230

256

272

293		 967

1017

1048

1078		 452

473

486

501		 2939

3083

3173

3267		 6.5

7

7.5

8		 6.5, 6.50T, 7.0, 7.00T, 7.0T5º
7.0, 7.00T, 7.0T5º, 7.5, 7.50V
7.5, 7.50V, 8.0, 8.00V, 8.0V5º
8.0, 8.00V, 8.0V5º, 8.5, 8.50V
 

RY437

RY253 (WB) Appropriate Sizes

Pattern No.RY253 (WB)
Size PR LI/SS

Overall
Width

(mm)

Overall
Diameter

(mm)

Loaded
Radius

(mm)

Rolling

(mm)
Circ.+-2%

Measuring
Rim

(inch)

Approved Rim
Contours
385/65R22.5
425/65R22.5
445/65R22.5		 18
20
20
 158L(160J)
165K
168K		 375
418
448		 1075
1126
1154		 498
520
532		 3253
3402
3484		 11.75
13
14		 12.25
13.00, 14.00
14