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BN 819 1287702 retaining ring for shafts 21x1.2

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Company	Bossard Catalog
Description	BN 819 - Retaining rings for shafts standard design (DIN 471), spring steel, mechanical zinc plated blue
Bill of material	BN 819 1287702 retaining ring for shafts 21x1.2
BNARTNR Identification	1287702 1287702
BNNORM1	DIN 471
BNMAT Material	Spring steel
BNSURFACE Surface	mechanical zinc plated blue
D1 Nominal dimension	21.000 21.000	mm
S Thickness	1.200 1.200	mm
D3 Ring inner diameter free length	19.500 19.500	mm
A Distance max.	4.100 4.100	mm
B Web thickness ~	2.700 2.700	mm
D5 Hole diameter	2.000 2.000	mm
D2 Diameter keyseat	20.000 20.000	mm
M Groove width H13	1.300 1.300	mm
T Slot depth	0.500 0.500	mm
N Shaft projection min.	1.500 1.500	mm
D4 Diameter of fitting	29.610 29.610	mm