PTFE HNBR Timing Belts

Today’s highly sophisticated car engines operate at higher temperatures and higher speeds. Also, pulley diameters are smaller to save space under the bonnet and practically all engines now have overhead camshafts. These increasingly severe conditions put more stress on timing belts. For maximum durability and to avoid premature engine failure, only OE-quality belts should be used for timing belt replacement.

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RoyalCorp PTFE HNBR timing belts are manufactured to the same tough OE requirements. What is more, our belts are at the forefront of technology with their PTFE technology.

PTFE LUBRICATED JACKET

Extra protection: PTFE technology increases wear resistance and reduces friction on the toothed and/or backside of the belt.

BUILT TO PERFORM

· Manufactured with durable and reinforced rubber compounds (HSN) to resist temperature extremes and to protect the belt against grease, oil drops, moisture and wear

· Precision-formed teeth provide positive engagement with the mating grooves on the sprocket and reduce noise level

· Trapezoidal, curvilinear and modified curvilinear tooth profile, depending on the application

· Helically wound tensile cords, made of fiberglass, provide increased flexibility and resistance to elongation

Tooth Profile

Drawing	Type	Pitch	Tooth Height	Belt Thickness	Teeth Number Range
	ZA	9.525	1.91	4.1	54~139
	ZB	9.525	2.29	4.5	55~162
	ZBS	9.525	2.8	5.1	55~163
	ZR	9.525	3.2	5.4	70~138
	ZAS	9.525	2.32	4.62	70~138
	MR	9.525	3.54	5.69	60~195
	MY	8	3.06	5.21	65~265
	RU	8	3.54	5.5	70~196
	YU	8	3.02	5.2	65~265
	S8M	8	3.05	5.3	105~239
	S	9.525	1.91	4.1	54~139

Drawing	Type	Pitch	Tooth Height	Belt Thickness	Teeth Number Range
	SX	9.525	1.91	4.1	54~139
	SH	9.525	2.29	4.5	55~162
	SHX	9.525	2.8	5.1	65~265
	SP	9.525	3.54	5.69	70~196
	SP+	9.525	3.35	5.5	70~196
	SHP	8	3.06	5.21	65~265
	SHP+	8	3.02	5.2	65~265
	P8SD	8	3.05	5.3	105~239
	SHDS	9.525	3.5	5.7	65~173
	SHDN	9.525	3.45	5.6	65~173