DKLFA2080-2RS

Axial angular contact ball bearing

Angular contact ball bearing units DKLFA..-2RS, double direction, for screw mounting, lip seals on both sides, with flattened flange

Display units

Metric

Imperial

Main Dimensions & Performance Data

d	20 mm	Bore diameter
	0 mm	Bore diameter upper tolerance
	-0.01 mm	Bore diameter lower tolerance
D	52 mm	Outside diameter
	0 mm	Outside diameter upper tolerance
	-0.013 mm	Outside diameter lower tolerance
B	35 mm	Width
	0 mm	Width upper tolerance
	-0.25 mm	Width lower tolerance
C_a	44,500 N	Basic dynamic load rating, axial HL
C_a	26,000 N	Basic dynamic load rating, axial
C_0a	110,000 N	Basic static load rating, axial HL
C_0a	47,000 N	Basic static load rating, axial
C_ua	2,800 N	Fatigue load limit, axial HL
C_ua	2,070 N	Fatigue load limit, axial
n_{G Grease}	5,000 1/min	Limiting speed for grease lubrication
n_ϑ	2,200 1/min	Thermally permissible speed
≈m	0.683 kg	Weight

Mounting dimensions

d_{a min}	25 mm	Minimum diameter shaft shoulder
d_{a max}	43 mm	Maximum diameter of shaft shoulder
	M6	Fixing scresw DIN EN ISO 4762 10.9 (not included)
n	4	Number of screws

Dimensions

Temperature range

T_min	-30 °C	Operating temperature min.
T_max	120 °C	Operating temperature max.

Additional information

M_RL	0.45 Nm	Bearing friction torque
c_aL	750 N/µm	Rigidity axial
c_aL	1,100 N/µm	Rigidity axial (HL)
c_kL	260 Nm/mrad	Tilting stiffness
	5 µm	Axial runout
M_m	0.553 kg*cm2	Mass moment of inertia
	ZMA20/38	recommended INA precision locknut for radial locking 1,2
(3) r	ZM25	recommended INA precision locknut for radial locking 3
(1), (2) r	AM20	recommended INA precision locknut for axial locking 1,2
M_A	18 Nm	Tightening torque nut
(1), (2) a	8,580 N	required locknut force axial 1

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Sealing

2RS

Contact lip seals on both sides

Characteristics

Title