XSI140744-N

Crossed roller bearings, with internal gear teeth, lip seals on both sides

Crossed roller bearings, standard series 14, internal gear teeth, lip seals on both sides

Display units

Metric

Imperial

Main Dimensions & Performance Data

d_i	648 mm	Bore Diameter
d_{a ZT}	741 mm	Diameter centring inner ring
	-IT7	Diameter centring inner ring tolerance
t	4.5 mm	Length centering inner ring
D_{a ZT}	814 mm	Diameter centring outer ring
	-IT7	Diameter centring outer ring tolerance
T	10 mm	Length centering outer ring
H	56 mm	Height
≈m	55 kg	Weight

Dimensions

D_i	745 mm	Inner diameter outer ring
	0.6 mm	Inner diameter outer ring upper tolerance
	0 mm	Inner diameter outer ring lower tolerance
h_a	44.5 mm	Width outer ring
L_a	790 mm	Pitchcircle diameter fixing holes outer ring
n_a	40	Number of fixing holes in outer ring
d_B	14 mm	Fixing bore
	44.5 mm	Width inner ring
L_i	705 mm	Pitchcircle diameter fixing holes inner ring
n_i	40	Number of fixing holes in inner ring
	M12	Tread fixing bore
t_G	20 mm	Thread depth oil connector
b	44.5 mm	Width gearing
m	6 mm	Modul of gearing
z	110	Number of teeth
d₀	660 mm	Pitch circle diameter gearing
F_{z norm}	23,700 N	Max. tooth force root fatigue strenght
F_{z max}	35,000 N	Max. tooth force against tooth fracture
	0.05 mm	Running accuracy
	0.05 mm	Running accuracy
	0.09 mm	Running accuracy
	0.08 mm	Running accuracy

Temperature range

T_min	-25 °C	Operating temperature min.
T_max	80 °C	Operating temperature max.

Calculation factors

C_a	275,000 N	Basic dynamic load rating, axial
C_0a	970,000 N	Basic static load rating, axial
C_r	195,000 N	Basic dynamic load rating, radial (for radial load only)
C_0r	475,000 N	Basic static load rating, radial (for radial load only)
VSP_max	0.04 mm	Maximum bearing preload
VSP_min	0.01 mm	Min. bearing preload
F_{r zul}	165,200 N	Max. radial load fixing screws (friction locking)

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Gearing

Normalized gear teeth on bearing ring

Characteristics

Title