Round Wire Rings (Metric) – NRB

Round wire sections for semi-circular grooves.

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Product Information

Round wire sections for semi-circular grooves.
Low cost.
Simplifies assembly.

Standard Material: Carbon spring steel
Standard Finish: Phosphate & oil
Specification: Version B – DIN 7993

Dimensions in Millimeters

With ISO9001: 2015 approval incorporating Design Status, our qualified engineering staff are able to offer a completely free of charge engineering service and are available to assist with part selection, custom design, application requirements, material selection and more.

Applications are discussed in-depth, first-off design data and drawings are submitted for approval to ensure our customers are provided with the correct design, first time. However, on those rare occasions when modifications are necessary, our no-tooling process and flexible manufacturing procedures means the production of prototypes is easily and economically achieved without onerous tooling charges and long lead times.

At TFC we realise that Quality runs through the entire business, not just our products. We have continually invested in the right people to provide the superior market knowledge and customer service.

Our supply chain partners, from manufacturers to logistics and information technology are carefully chosen to ÿt our commitment to quality

Quality assured since 1981
ISO 9001:2015
Aerospace AS9100C & AS9120A

All products are batch traceable and can be supplied in accordance with REACH, RoHs and Weee.

Certificates of Conformity are available on request and Full material certification is also available on many items.

		Groove			Circlip
Part Code	Bore B	G	Tol	r	aO	D	Tol	e
NRB-007	7	7.8	±0.05	0.5	0.8	7.9	+0.3	4
NRB-008	8	8.8		0.5	0.8	8.9		4
NRB-010	10	10.8		0.5	0.8	10.9		4
NRB-012	12	13.0		0.6	1.0	13.2	+0.4	6
NRB-014	14	15.0		0.6	1.0	15.2		6
NRB-016	16	17.6		0.9	1.6	17.8		8
NRB-018	18	19.6		0.9	1.6	19.8		8
NRB-020	20	22.0	±0.10	1.1	2.0	22.3	+0.5	10
NRB-022	22	24.0		1.1	2.0	24.3		10
NRB-024	24	26.0		1.1	2.0	26.3		10
NRB-025	25	27.0		1.1	2.0	27.3		10
NRB-026	26	28.0		1.1	2.0	28.3		10
NRB-028	28	30.0		1.1	2.0	30.3		10
NRB-030	30	32.0		1.1	2.0	32.3		10
NRB-032	32	34.5		1.4	2.5	34.9	+0.6	12
NRB-035	35	37.5		1.4	2.5	37.9		12
NRB-038	38	40.5		1.4	2.5	40.9		12
NRB-040	40	42.5		1.4	2.5	42.9		12
NRB-042	42	44.5		1.4	2.5	45.0	+0.8	16
NRB-045	45	47.5		1.4	2.5	48.8		16
NRB-048	48	50.5		1.4	2.5	51.0		16
NRB-050	50	52.5		1.4	2.5	53.0		16
NRB-055	55	58.2	±0.15	1.8	3.2	58.9		20
NRB-060	60	63.2		1.8	3.2	63.9		20
NRB-065	65	68.2		1.8	3.2	68.9		20
NRB-070	70	73.2		1.8	3.2	74.0	+1.0	25
NRB-075	75	78.2		1.8	3.2	79.0		25
NRB-080	80	83.2		1.8	3.2	84.0		25
NRB-085	85	88.2		1.8	3.2	89.0		25
NRB-090	90	93.2		1.8	3.2	94.0		25