Angular contact ball bearing ZKLN1242-2RS-PE

Designation	Dimension	Remark
d	12.00 mm	shaft diameter (tolerance: 0 / -0.010 mm)
D	42.00 mm	outer diameter (tolerance: 0 / -0.011 mm)
B	25.00 mm	width (tolerance: -0.25 mm)
r_min.	0.30 mm	min. edge distance
r_{1 min.}	0.60 mm	min. edge distance
d₁	25.00 mm	Bore diameter Inner ring
D_{a max.}	33.00 mm	Maximum diameter of housing
d_{a min.}	16.00 mm	Minimum diameter shaft shoulder

Designation	Dimension	Remark
C_a	16,900 N	dynamic load rating, axial
C_0a	24,700 N	static load rating, axial
C_ua	1,090 N	fatigue limit load, axial
n_{G Fett}	9,200 min^-1	Limiting speed with greasing
n_Gϑ	3,800 min^-1	Thermally permissible speed
	5 µm	Axial runout (inner ring)
M_m	0.068 kg * cm²	Mass moment of inertia
M_R	0.160 Nm	Bearing friction torque
C_kL	50 Nm/mrad	Tilting stiffness
C_aL	375 N/µm	Axial stiffness
	0.200 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
ZKLN0624-2RS-PE	_0.003 6.00 ^-0.005	24.00 ^-0.010	15.00 ^-0.250	14.00	0.30	0.60	19.00	9.00	6,900	8,500	375	16,400	6,800
ZKLN1034-2RS-PE	₀ 10.00 ^-0.008	34.00 ^-0.011	20.00 ^-0.250	21.00	0.30	0.60	28.00	14.00	13,400	18,800	830	10,900	4,600
ZKLN1242-2RS-PE	₀ 12.00 ^-0.010	42.00 ^-0.011	25.00 ^-0.250	25.00	0.30	0.60	33.00	16.00	16,900	24,700	1,090	9,200	3,800
ZKLN1545-2RS-PE	₀ 15.00 ^-0.010	45.00 ^-0.011	25.00 ^-0.250	28.00	0.30	0.60	35.00	20.00	17,900	28,000	1,240	8,200	3,500
ZKLN1747-2RS-PE	₀ 17.00 ^-0.010	47.00 ^-0.011	25.00 ^-0.250	30.00	0.30	0.60	37.00	23.00	18,800	31,000	1,380	7,600	3,300
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
ZKLN2557-2RS-PE	₀ 25.00 ^-0.010	57.00 ^-0.013	28.00 ^-0.250	40.50	0.30	0.60	48.00	32.00	27,500	55,000	2,450	5,700	2,600
ZKLN3062-2RS-PE	₀ 30.00 ^-0.010	62.00 ^-0.013	28.00 ^-0.250	45.50	0.30	0.60	53.00	40.00	29,000	64,000	2,800	5,000	2,200
ZKLN3572-2RS-PE	₀ 35.00 ^-0.010	72.00 ^-0.013	34.00 ^-0.250	52.00	0.30	0.60	62.00	45.00	41,000	89,000	3,950	4,400	2,000
ZKLN5090-2RS-PE	₀ 50.00 ^-0.010	90.00 ^-0.015	34.00 ^-0.250	72.00	0.30	0.60	82.00	63.00	46,500	126,000	5,600	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
ZKLN1242-2Z	₀ 12.00 ^-0.005	42.00 ^-0.010	25.00 ^-0.250	25.00	0.30	0.60	33.00	16.00	18,600	24,700	1,460	12,000	7,600
ZKLN1242-2RS	₀ 12.00 ^-0.005	42.00 ^-0.010	25.00 ^-0.250	25.00	0.30	0.60	33.00	16.00	18,600	24,700	1,460	9,200	3,800
ZKLN1242-2RS-PE	₀ 12.00 ^-0.010	42.00 ^-0.011	25.00 ^-0.250	25.00	0.30	0.60	33.00	16.00	16,900	24,700	1,090	9,200	3,800

Type	Designation	Brand	Full designation
ZM12	Precision locknut for radial clamping	HFH	Precision locknut for radial clamping ZM12

Name	Brand	Webshop	Notice
ZKLN1242-2RS-PE	HFH		Premium quality, house brand

Properties	Suffix	Description
Sealing	2RS	Double side lip seal
Accuracy class	PE	extended tolerances

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