NBR O-rings

NBR 70A · ID 80–350 mm

Browse NBR 70 Shore A O-rings with inside diameters from 80 to 350 mm. This collection combines the 80–180 mm and 180–350 mm size ranges. Check the exact inside diameter, cross-section, hardness and fluid requirements before ordering.

Typical temperature-30 to +120 °CTypical for the family; the supplied compound decides the usable range.

Good for

  • Mineral oils, hydraulic fluids and greases
  • Many fuels at moderate temperature
  • Water and air below about 100 °C

Avoid / check

  • Ozone, sunlight and outdoor exposure
  • Glycol brake fluid, ketones and esters
  • Heat above about 120 °C

Shore A grades listed here: 60/70/80/90

Screen a chemical against NBRCompare materials

Listings
4,520
Priced
per pack
Units
mm + in

Find a size in NBR

How to measure
Unit

ID is the inside diameter, CS the thickness of the ring. Decimal commas are fine (20,5).

Most-used sizes

All common sizes

Showing 1–48 of 4,520

NBR 70A · ID 80–350 mm catalog
Size (ID × CS)HardnessSize ref.Smallest packStatusAction
146.00 × 7.00 mm5.748 × 0.276 in 70A NBR — $21.23 / 10 pcs $2.12 / pc Available to order
Packs and details for O-Ring 146.00 × 7.00 mm · NBR · 70A
133.00 × 2.00 mm5.236 × 0.079 in 70A NBR — $7.03 / 10 pcs $0.70 / pc Available to order
Packs and details for O-Ring 133.00 × 2.00 mm · NBR · 70A
123.00 × 7.00 mm4.843 × 0.276 in 70A NBR — $25.41 / 20 pcs $1.27 / pc Available to order
Packs and details for O-Ring 123.00 × 7.00 mm · NBR · 70A
100.00 × 4.50 mm3.937 × 0.177 in 70A NBR — $10.20 / 10 pcs $1.02 / pc Available to order
Packs and details for O-Ring 100.00 × 4.50 mm · NBR · 70A
95.00 × 4.50 mm3.740 × 0.177 in 70A NBR — $9.45 / 10 pcs $0.95 / pc Available to order
Packs and details for O-Ring 95.00 × 4.50 mm · NBR · 70A
83.00 × 5.50 mm3.268 × 0.217 in 70A NBR — $9.45 / 10 pcs $0.95 / pc Available to order
Packs and details for O-Ring 83.00 × 5.50 mm · NBR · 70A
83.00 × 3.53 mm3.268 × 0.139 in 70A NBR — $5.97 / 10 pcs $0.60 / pc Available to order
Packs and details for O-Ring 83.00 × 3.53 mm · NBR · 70A
349.50 × 8.40 mm13.760 × 0.331 in 70A NBR JIS B 2401 P350 $67.50 / 10 pcs $6.75 / pc Available to order
Packs and details for O-Ring 349.50 × 8.40 mm · NBR · 70A
349.30 × 5.70 mm13.752 × 0.224 in 70A NBR JIS B 2401 G350 $48.12 / 10 pcs $4.81 / pc Available to order
Packs and details for O-Ring 349.30 × 5.70 mm · NBR · 70A
349.00 × 10.00 mm13.740 × 0.394 in 70A NBR — $95.24 / 10 pcs $9.52 / pc Available to order
Packs and details for O-Ring 349.00 × 10.00 mm · NBR · 70A
349.20 × 5.70 mm13.748 × 0.224 in 70A NBR — $48.12 / 10 pcs $4.81 / pc Available to order
Packs and details for O-Ring 349.20 × 5.70 mm · NBR · 70A
349.10 × 8.40 mm13.744 × 0.331 in 70A NBR — $67.50 / 10 pcs $6.75 / pc Available to order
Packs and details for O-Ring 349.10 × 8.40 mm · NBR · 70A
349.00 × 8.00 mm13.740 × 0.315 in 70A NBR — $103.21 / 10 pcs $10.32 / pc Available to order
Packs and details for O-Ring 349.00 × 8.00 mm · NBR · 70A
349.00 × 7.00 mm13.740 × 0.276 in 70A NBR — $55.26 / 10 pcs $5.53 / pc Available to order
Packs and details for O-Ring 349.00 × 7.00 mm · NBR · 70A
349.00 × 6.00 mm13.740 × 0.236 in 70A NBR — $48.53 / 10 pcs $4.85 / pc Available to order
Packs and details for O-Ring 349.00 × 6.00 mm · NBR · 70A
349.00 × 5.70 mm13.740 × 0.224 in 70A NBR — $48.12 / 10 pcs $4.81 / pc Available to order
Packs and details for O-Ring 349.00 × 5.70 mm · NBR · 70A
349.00 × 5.00 mm13.740 × 0.197 in 70A NBR — $43.32 / 10 pcs $4.33 / pc Available to order
Packs and details for O-Ring 349.00 × 5.00 mm · NBR · 70A
349.00 × 4.00 mm13.740 × 0.157 in 70A NBR — $39.52 / 10 pcs $3.95 / pc Available to order
Packs and details for O-Ring 349.00 × 4.00 mm · NBR · 70A
349.00 × 3.50 mm13.740 × 0.138 in 70A NBR — $36.12 / 10 pcs $3.61 / pc Available to order
Packs and details for O-Ring 349.00 × 3.50 mm · NBR · 70A
349.00 × 3.00 mm13.740 × 0.118 in 70A NBR — $43.85 / 10 pcs $4.39 / pc Available to order
Packs and details for O-Ring 349.00 × 3.00 mm · NBR · 70A
348.50 × 6.00 mm13.720 × 0.236 in 70A NBR — $53.33 / 10 pcs $5.33 / pc Available to order
Packs and details for O-Ring 348.50 × 6.00 mm · NBR · 70A
349.00 × 2.50 mm13.740 × 0.098 in 70A NBR — $35.18 / 10 pcs $3.52 / pc Available to order
Packs and details for O-Ring 349.00 × 2.50 mm · NBR · 70A
348.60 × 5.70 mm13.724 × 0.224 in 70A NBR — $49.12 / 10 pcs $4.91 / pc Available to order
Packs and details for O-Ring 348.60 × 5.70 mm · NBR · 70A
348.40 × 3.53 mm13.717 × 0.139 in 70A NBR — $35.89 / 10 pcs $3.59 / pc Available to order
Packs and details for O-Ring 348.40 × 3.53 mm · NBR · 70A
348.00 × 12.00 mm13.701 × 0.472 in 70A NBR — $143.24 / 10 pcs $14.32 / pc Available to order
Packs and details for O-Ring 348.00 × 12.00 mm · NBR · 70A
348.00 × 8.00 mm13.701 × 0.315 in 70A NBR — $70.64 / 10 pcs $7.06 / pc Available to order
Packs and details for O-Ring 348.00 × 8.00 mm · NBR · 70A
348.00 × 6.00 mm13.701 × 0.236 in 70A NBR — $48.35 / 10 pcs $4.84 / pc Available to order
Packs and details for O-Ring 348.00 × 6.00 mm · NBR · 70A
348.00 × 5.00 mm13.701 × 0.197 in 70A NBR — $43.03 / 10 pcs $4.30 / pc Available to order
Packs and details for O-Ring 348.00 × 5.00 mm · NBR · 70A
348.00 × 4.00 mm13.701 × 0.157 in 70A NBR — $40.13 / 10 pcs $4.01 / pc Available to order
Packs and details for O-Ring 348.00 × 4.00 mm · NBR · 70A
348.00 × 3.53 mm13.701 × 0.139 in 70A NBR — $35.83 / 10 pcs $3.58 / pc Available to order
Packs and details for O-Ring 348.00 × 3.53 mm · NBR · 70A
348.00 × 3.50 mm13.701 × 0.138 in 70A NBR — $35.83 / 10 pcs $3.58 / pc Available to order
Packs and details for O-Ring 348.00 × 3.50 mm · NBR · 70A
347.00 × 8.00 mm13.661 × 0.315 in 70A NBR — $70.43 / 10 pcs $7.04 / pc Available to order
Packs and details for O-Ring 347.00 × 8.00 mm · NBR · 70A
347.00 × 6.00 mm13.661 × 0.236 in 70A NBR — $47.95 / 10 pcs $4.80 / pc Available to order
Packs and details for O-Ring 347.00 × 6.00 mm · NBR · 70A
347.00 × 5.00 mm13.661 × 0.197 in 70A NBR — $42.80 / 10 pcs $4.28 / pc Available to order
Packs and details for O-Ring 347.00 × 5.00 mm · NBR · 70A
347.00 × 4.00 mm13.661 × 0.157 in 70A NBR — $39.63 / 10 pcs $3.96 / pc Available to order
Packs and details for O-Ring 347.00 × 4.00 mm · NBR · 70A
347.00 × 3.50 mm13.661 × 0.138 in 70A NBR — $35.65 / 10 pcs $3.57 / pc Available to order
Packs and details for O-Ring 347.00 × 3.50 mm · NBR · 70A
346.50 × 6.99 mm13.642 × 0.275 in 70A NBR — $57.49 / 10 pcs $5.75 / pc Available to order
Packs and details for O-Ring 346.50 × 6.99 mm · NBR · 70A
346.00 × 8.00 mm13.622 × 0.315 in 70A NBR — $64.05 / 10 pcs $6.41 / pc Available to order
Packs and details for O-Ring 346.00 × 8.00 mm · NBR · 70A
346.00 × 7.00 mm13.622 × 0.276 in 70A NBR — $54.33 / 10 pcs $5.43 / pc Available to order
Packs and details for O-Ring 346.00 × 7.00 mm · NBR · 70A
346.00 × 6.00 mm13.622 × 0.236 in 70A NBR — $47.65 / 10 pcs $4.77 / pc Available to order
Packs and details for O-Ring 346.00 × 6.00 mm · NBR · 70A
346.00 × 5.00 mm13.622 × 0.197 in 70A NBR — $42.56 / 10 pcs $4.26 / pc Available to order
Packs and details for O-Ring 346.00 × 5.00 mm · NBR · 70A
346.00 × 4.00 mm13.622 × 0.157 in 70A NBR — $41.10 / 10 pcs $4.11 / pc Available to order
Packs and details for O-Ring 346.00 × 4.00 mm · NBR · 70A
346.00 × 3.50 mm13.622 × 0.138 in 70A NBR — $35.24 / 10 pcs $3.52 / pc Available to order
Packs and details for O-Ring 346.00 × 3.50 mm · NBR · 70A
346.00 × 2.00 mm13.622 × 0.079 in 70A NBR — $30.21 / 10 pcs $3.02 / pc Available to order
Packs and details for O-Ring 346.00 × 2.00 mm · NBR · 70A
345.57 × 3.53 mm13.605 × 0.139 in 70A NBR — $35.24 / 10 pcs $3.52 / pc Available to order
Packs and details for O-Ring 345.57 × 3.53 mm · NBR · 70A
345.00 × 8.50 mm13.583 × 0.335 in 70A NBR — $65.92 / 10 pcs $6.59 / pc Available to order
Packs and details for O-Ring 345.00 × 8.50 mm · NBR · 70A
345.00 × 7.00 mm13.583 × 0.276 in 70A NBR — $49.64 / 10 pcs $4.96 / pc Available to order
Packs and details for O-Ring 345.00 × 7.00 mm · NBR · 70A
345.00 × 8.00 mm13.583 × 0.315 in 70A NBR — $62.87 / 10 pcs $6.29 / pc Available to order
Packs and details for O-Ring 345.00 × 8.00 mm · NBR · 70A

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Ordering NBR O-rings

For a narrower selection, browse 80–180 mm or 180–350 mm. For sizes not listed, request a custom O-ring quote.