Call: 01420 474123
Fax: 01420 487816
Email: sales@polymax.co.uk

British Standard Size O-rings Seals NBR Rubber BS309-BS395 from Polymax

Nitrile (or NBR) O-Rings are most commonly availible and cost effective. Temperature Range -30°C to +120°C (avoid prolonged use at higher extremes)

Suitable for:
Many hydrocarbons,
fats, oils gasoline,
petroleum based hydralic fluid etc

Generally atacked by:
Ozone, esters, retones,
aldehydes, chorimated,
and nito hydrocarbons

Material Specification (NBR)		Testing Parameters
Hardness	70° Shore 'A'	DIN 53505

Temperature Range	-30°C to +120°C	Avoid prolonged use at higher temperature

Tensile Strength	15 N/mm²	DIN 53504

Elongation At Break	340%	DIN 53504

Low Temperature Brittleness	-30°C	ASTM D 1329

Compression Set	9%	DIN 53517B

Download Datasheet

To assist o-ring installation also see our Silicone Grease

Article No.	Size ID x C⁄S (mm)	Number of Items	Quantity	Add To Cart +VAT
		1-50 51-100 101-500 501+
BS309N70	10.46 x 5.33	£0.11 £0.09 £0.07 £0.06		(In Stock)
BS310N70	12.07 x 5.33	£0.11 £0.09 £0.07 £0.06		(In Stock)
BS311N70	13.64 x 5.33	£0.11 £0.09 £0.07 £0.06		(In Stock)
BS312N70	15.24 x 5.33	£0.11 £0.09 £0.07 £0.06		(In Stock)
BS313N70	16.81 x 5.33	£0.11 £0.09 £0.07 £0.06		(In Stock)
BS314N70	18.42 x 5.33	£0.12 £0.10 £0.08 £0.07		(In Stock)
BS315N70	19.99 x 5.33	£0.12 £0.10 £0.08 £0.07		(In Stock)
BS316N70	21.59 x 5.33	£0.12 £0.10 £0.08 £0.07		(In Stock)
BS317N70	23.16 x 5.33	£0.12 £0.10 £0.08 £0.07		(In Stock)
BS318N70	24.77 x 5.33	£0.12 £0.10 £0.08 £0.07		(In Stock)
BS319N70	26.34 x 5.33	£0.12 £0.10 £0.08 £0.07		(In Stock)
BS320N70	27.94 x 5.33	£0.12 £0.10 £0.08 £0.07		(In Stock)
BS321N70	29.51 x 5.33	£0.12 £0.10 £0.08 £0.07		(In Stock)
BS322N70	31.12 x 5.33	£0.12 £0.10 £0.08 £0.07		(In Stock)
BS323N70	32.69 x 5.33	£0.12 £0.10 £0.08 £0.07		(In Stock)
BS324N70	34.29 x 5.33	£0.12 £0.10 £0.08 £0.07		(In Stock)
BS325N70	37.47 x 5.33	£0.12 £0.10 £0.08 £0.07		(In Stock)
BS326N70	40.64 x 5.33	£0.14 £0.11 £0.10 £0.08		(In Stock)
BS327N70	43.82 x 5.33	£0.14 £0.11 £0.10 £0.08		(In Stock)
BS328N70	46.99 x 5.33	£0.14 £0.11 £0.10 £0.08		(In Stock)
BS329N70	50.17 x 5.33	£0.14 £0.11 £0.10 £0.08		(In Stock)
BS330N70	53.54 x 5.34	£0.14 £0.11 £0.10 £0.08		(In Stock)
BS331N70	56.52 x 5.33	£0.14 £0.11 £0.10 £0.08		(In Stock)
BS332N70	59.69 x 5.33	£0.17 £0.14 £0.12 £0.10		(In Stock)
BS333N70	62.87 x 5.33	£0.17 £0.14 £0.12 £0.10		(In Stock)
BS334N70	66.04 x 5.33	£0.17 £0.14 £0.12 £0.10		(In Stock)
BS335N70	69.22 x 5.33	£0.17 £0.14 £0.12 £0.10		(In Stock)
BS336N70	72.39 x 5.33	£0.17 £0.14 £0.12 £0.10		(In Stock)
BS337N70	75.57 x 5.33	£0.17 £0.14 £0.12 £0.10		(In Stock)
BS338N70	78.74 x 5.33	£0.17 £0.14 £0.12 £0.10		(In Stock)
BS339N70	81.92 x 5.33	£0.17 £0.14 £0.12 £0.10		(In Stock)
BS340N70	85.09 x 5.33	£0.20 £0.17 £0.15 £0.12		(In Stock)
BS341N70	88.27 x 5.33	£0.20 £0.17 £0.15 £0.12		(In Stock)
BS342N70	91.44 x 5.33	£0.20 £0.17 £0.15 £0.12		(In Stock)
BS343N70	94.62 x 5.33	£0.20 £0.17 £0.15 £0.12		(In Stock)
BS344N70	97.79 x 5.33	£0.20 £0.17 £0.15 £0.12		(In Stock)
BS345N70	100.97 x 5.33	£0.20 £0.17 £0.15 £0.12		(In Stock)
BS346N70	104.14 x 5.33	£0.23 £0.20 £0.18 £0.15		(In Stock)
BS347N70	107.32x 5.33	£0.23 £0.20 £0.18 £0.15		(In Stock)
BS348N70	110.49 x 5.33	£0.23 £0.20 £0.18 £0.15		(In Stock)
BS349N70	113.67 x 5.33	£0.23 £0.20 £0.18 £0.15		(In Stock)
BS350N70	116.84 x 5.33	£0.23 £0.20 £0.18 £0.15		(In Stock)
BS351N70	120.02 x 5.33	£0.23 £0.20 £0.18 £0.15		(In Stock)
BS352N70	123.19 x 5.33	£0.25 £0.23 £0.21 £0.18		(In Stock)
BS353N70	126.37 x 5.33	£0.25 £0.23 £0.21 £0.18		(In Stock)
BS354N70	129.54 x 5.33	£0.25 £0.23 £0.21 £0.18		(In Stock)
BS355N70	132.72 x 5.33	£0.25 £0.23 £0.21 £0.18		(In Stock)
BS356N70	135.89 x 5.33	£0.27 £0.24 £0.22 £0.20		(In Stock)
BS357N70	139.07 x 5.33	£0.27 £0.24 £0.22 £0.20		(In Stock)
BS358N70	142.24 x 5.33	£0.27 £0.24 £0.22 £0.20		(In Stock)
BS359N70	145.42 x 5.33	£0.27 £0.24 £0.22 £0.20		(In Stock)
BS360N70	148.59 x 5.33	£0.27 £0.24 £0.22 £0.20		(In Stock)
BS361N70	151.77 x 5.33	£0.27 £0.24 £0.22 £0.20		(In Stock)
BS362N70	158.12 x 5.33	£0.27 £0.24 £0.22 £0.20		(In Stock)
BS363N70	164.47 x 5.33	£0.27 £0.24 £0.22 £0.20		(In Stock)
BS364N70	170.82 x 5.33	£0.27 £0.24 £0.22 £0.20		(In Stock)
BS365N70	177.17 x 5.33	£0.27 £0.24 £0.22 £0.20		(In Stock)
BS366N70	183.52 x 5.33	£0.27 £0.24 £0.22 £0.20		(In Stock)
BS367N70	189.87 x 5.33	£0.27 £0.24 £0.22 £0.20		(In Stock)
BS368N70	196.22 x 5.33	£0.27 £0.24 £0.22 £0.20		(In Stock)
BS369N70	202.57 x 5.33	£0.43 £0.39 £0.36 £0.32		(In Stock)
BS370N70	208.92 x 5.33	£0.43 £0.39 £0.36 £0.32		(In Stock)
BS371N70	215.27 x 5.33	£0.43 £0.39 £0.36 £0.32		(In Stock)
BS372N70	221.62 x 5.33	£0.43 £0.39 £0.36 £0.32		(In Stock)
BS373N70	227.97 x 5.33	£0.50 £0.44 £0.41 £0.38		(In Stock)
BS374N70	234.32 x 5.33	£0.50 £0.44 £0.41 £0.38		(In Stock)
BS375N70	240.67 x 5.33	£0.50 £0.44 £0.41 £0.38		(In Stock)
BS376N70	247.02 x 5.33	£0.50 £0.44 £0.41 £0.38		(In Stock)
BS377N70	253.37 x 5.33	£0.64 £0.58 £0.55 £0.51		(In Stock)
BS378N70	266.07 x 5.33	£0.64 £0.58 £0.55 £0.51		(In Stock)
BS379N70	278.77 x 5.33	£0.64 £0.58 £0.55 £0.51		(In Stock)
BS380N70	291.47 x 5.33	£0.64 £0.58 £0.55 £0.51		(In Stock)
BS381N70	304.17 x 5.33	£0.64 £0.58 £0.55 £0.51		(In Stock)
BS382N70	329.57 x 5.33	£0.64 £0.58 £0.55 £0.51		(In Stock)
BS383N70	354.97 x 5.33	£0.72 £0.67 £0.64 £0.61		(In Stock)
BS384N70	380.37 x 5.33	£0.99 £0.94 £0.89 £0.85		(In Stock)
BS385N70	405.26 x 5.33	£1.05 £0.99 £0.95 £0.90		(In Stock)
BS386N70	430.66 x 5.33	£1.05 £0.99 £0.95 £0.90		(In Stock)
BS387N70	456.06 x 5.33	£1.11 £1.04 £1.00 £0.97		(In Stock)
BS388N70	481.41 x 5.33	£1.55 £1.45 £1.38 £1.33		(In Stock)
BS389N70	506.81 x 5.33	£1.71 £1.62 £1.54 £1.48		(In Stock)
BS390N70	532.21 x 5.33	£1.72 £1.63 £1.57 £1.52		(In Stock)
BS391N70	557.61 x 5.33	£1.72 £1.63 £1.57 £1.53		(In Stock)
BS392N70	582.68 x 5.33	£1.72 £1.63 £1.57 £1.53		(In Stock)
BS393N70	608.08 x 5.33	£1.72 £1.63 £1.57 £1.53		(In Stock)
BS394N70	633.48 x 5.33	£1.72 £1.63 £1.57 £1.53		(In Stock)
BS395N70	658.88 x 5.33	£1.75 £1.65 £1.60 £1.55		(In Stock)

Back to prevous section