2MM CS X 49MM ID BLACK BUNA 70D

Buna-N O-Ring, 2 x 49 mm, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Durometer
70 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
250°F (121°C)
Unit of Measure
EA
SKU:
H2X49
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Product Specification

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Ordered as H2X49, this is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 49 mm (1.929 in), a cross section of 2 mm (0.079 in), and an outside diameter of 53 mm (2.09 in). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.

As a material, Buna-N (Nitrile) is specified for strong abrasion and tear resistance, an economical choice for high-volume maintenance programs. Expect good resistance to many alcohols, greases and lubricants, and hydraulic fluids. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with polar solvents or strong acids.

It sees regular use in hydraulic and pneumatic systems, fluid power, and general industrial maintenance.

Order part number H2X49, sold individually. Unit weight is approximately 0.6269 g. Check the compound against your process media, pressure and temperature before committing to a design.
Item
H2X49
Description
2MM CS X 49MM ID BLACK BUNA 70D
Actual Outside Diameter
53 mm (2.09 inch)
Actual Cross Section
2 mm (0.079 inch)
Actual Inside Diameter
49 mm (1.929 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity