Angular contact ball bearing ZKLN2052-2RS-2AP

Designation	Dimension	Remark
d	20.00 mm	shaft diameter (tolerance: 0 / -0.005 mm)
D	52.00 mm	outer diameter (tolerance: 0 / -0.010 mm)
B	56.00 mm	width (tolerance: -0.50 mm)
r_min.	0.30 mm	min. edge distance
r_{1 min.}	0.60 mm	min. edge distance
d₁	34.50 mm	Bore diameter Inner ring
D_{a max.}	43.00 mm	Maximum diameter of housing
d_{a min.}	25.00 mm	Minimum diameter shaft shoulder

Designation	Dimension	Remark
C_a	46,000 N	dynamic load rating, axial
C_0a	94,000 N	static load rating, axial
C_ua	5,500 N	fatigue limit load, axial
n_{G Fett}	6,600 min^-1	Limiting speed with greasing
n_Gϑ	3,000 min^-1	Thermally permissible speed
	2 µm	Axial runout (inner ring)
M_m	0.546 kg * cm²	Mass moment of inertia
M_R	0.450 Nm	Bearing friction torque
C_kL	320 Nm/mrad	Tilting stiffness
C_aL	1,150 N/µm	Axial stiffness
	0.620 kg	Weight

Designation	Dimension								Performance data
	d	D	B	d₁	r_min.	r_{1 min.}	D_{a max.}	d_{a min.}	C_a	C_0a	C_ua	n_GF	n_Gϑ
	mm	mm	mm	mm	mm	mm	mm	mm	N	N	N	min^-1	min^-1
ZKLN1747-2RS-2AP	₀ 17.00 ^-0.005	47.00 ^-0.010	50.00 ^-0.500	30.00	0.30	0.60	37.00	23.00	33,500	62,000	3,700	7,600	3,300
ZKLN2052-2RS-2AP	₀ 20.00 ^-0.005	52.00 ^-0.010	56.00 ^-0.500	34.50	0.30	0.60	43.00	25.00	46,000	94,000	5,500	6,600	3,000
ZKLN2557-2RS-2AP	₀ 25.00 ^-0.005	57.00 ^-0.010	56.00 ^-0.500	40.50	0.30	0.60	48.00	32.00	49,000	111,000	6,500	5,700	2,600
ZKLN3062-2RS-2AP	₀ 30.00 ^-0.005	62.00 ^-0.010	56.00 ^-0.500	45.50	0.30	0.60	53.00	40.00	52,000	127,000	7,500	5,000	2,200
ZKLN3572-2RS-2AP	₀ 35.00 ^-0.005	72.00 ^-0.010	68.00 ^-0.500	52.00	0.30	0.60	62.00	45.00	73,000	177,000	10,500	4,400	2,000
ZKLN4075-2RS-2AP	₀ 40.00 ^-0.005	75.00 ^-0.010	68.00 ^-0.500	58.00	0.30	0.60	67.00	50.00	77,000	202,000	11,900	4,000	1,800
ZKLN5090-2RS-2AP	₀ 50.00 ^-0.005	90.00 ^-0.010	68.00 ^-0.500	72.00	0.30	0.60	82.00	63.00	83,000	250,000	14,900	3,200	1,500

Designation	Dimension								Performance data
	d	D	B	d₁	r_min.	r_{1 min.}	D_{a max.}	d_{a min.}	C_a	C_0a	C_ua	n_GF	n_Gϑ
	mm	mm	mm	mm	mm	mm	mm	mm	N	N	N	min^-1	min^-1
ZKLN2052-2Z	₀ 20.00 ^-0.005	52.00 ^-0.010	28.00 ^-0.250	34.50	0.30	0.60	43.00	25.00	28,500	47,000	2,750	8,700	5,400
ZKLN2052-2RS	₀ 20.00 ^-0.005	52.00 ^-0.010	28.00 ^-0.250	34.50	0.30	0.60	43.00	25.00	28,500	47,000	2,750	6,600	3,000
ZKLN2052-2RS-PE	₀ 20.00 ^-0.010	52.00 ^-0.013	28.00 ^-0.250	34.50	0.30	0.60	43.00	25.00	26,000	47,000	2,070	6,600	3,000
ZKLN2052-2RS-2AP	₀ 20.00 ^-0.005	52.00 ^-0.010	56.00 ^-0.500	34.50	0.30	0.60	43.00	25.00	46,000	94,000	5,500	6,600	3,000

Type	Designation	Brand	Full designation
AM20	Precision locknut for axial clamping	HFH	Precision locknut for axial clamping AM20
ZMA20/38	Precision locknut for radial clamping	HFH	Precision locknut for radial clamping ZMA20/38

Name	Brand	Webshop	Notice
ZKLN2052-2RS-2AP	HFH		Premium quality, house brand

Properties	Suffix	Description
Sealing	2RS	Double side lip seal
Model	2AP	paired

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