XSA140944-N-RR

Crossed roller, bearingswith external gear teeth, sealed

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

Display units

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Imperial

Main Dimensions & Performance Data

d_iZT	874 mm	Diameter centring inner ring
	IT7	Diameter centring inner ring tolerance
t	10 mm	Length centering inner ring
D_a	1,046.1 mm	Outside Diameter
D_{i ZT}	947 mm	Diameter centring outer ring
	IT7 mm	Diameter centring outer ring tolerance
T	4.5 mm	Length centering outer ring
H	56 mm	Height
≈m	77 kg	Weight

Dimensions

h_a	44.5 mm	Width outer ring
L_a	985 mm	Pitchcircle diameter fixing holes outer ring
n_a	40	Number of fixing holes in outer ring
b	44.5 mm	Width gearing
m	8 mm	Modul of gearing
z	129	Number of teeth
d₀	1,032 mm	Pitch circle diameter gearing
F_{z norm}	28,300 N	Max. tooth force root fatigue strenght (at a shock factor of 1,2)
F_{z max}	42,000 N	Max. tooth force against tooth fracture (at a shock factor of 1,35)
d_a	943 mm	Outside diameter inner ring
	0 mm	Outside diameter inner ring upper tolerance
	-0.7 mm	Outside diameter inner ring lower tolerance
h	44.5 mm	height of individual ring
d_B	14 mm	Fixing bore
L_i	898 mm	Pitchcircle diameter fixing holes inner ring
n_i	44	Number of fixing holes in inner ring
	M12	Tread fixing bore
t_G	20 mm	Thread depth oil connector
	0.06 mm	Running accuracy A (related to the raceway)
	0.06 mm	Running accuracy B (related to the raceway)
	0.09 mm	Running accuracy C (related to the raceway)
	0.09 mm	Running accuracy D (related to the raceway)

Temperature range

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

Calculation factors

C_a	315,000 N	Basic dynamic load rating, axial
C_0a	1,240,000 N	Basic static load rating, axial
C_r	223,000 N	Basic dynamic load rating, radial (for radial load only)
C_0r	610,000 N	Basic static load rating, radial (for radial load only)
VSP_max	0.05 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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Coating	RR	Protected against corrosion by Corrotect special coating
Gearing	N	Normalized gear teeth on bearing ring

Characteristics

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