outline dimension (mm)

Dc1,Dp1	55
Dc,Dp	78
DW	3

specified load (N)

Cr	37000
Cor	201000

Rated load load {kgf}

Cr	3750
Cor	20500

Limit speed min ^-1

oiling	5300

bearing symbol

	FNTA-5578

A pair of coils

s=1.0±0.05	FTRA-5578
s=1.50-0.08	FTRB-5578
s=2.00-0.08	FTRC-5578
s=2.50-0.08	FTRD-5578
s=3.00-0.08	FTRE-5578

Needle roller contact surface (mm)

OD D e (min)	75
ID D i (max)	57

Weight (kg) (reference)

FNTA	29
FTRA	19