Needle axial ball bearing NX12-Z without inner ring for grease lubrication, with top cap

Designation	Dimension	Remark
F_w	12.00 mm	enveloping circle
D	21.00 mm	outer diameter
D₁	23.70 mm	outer diameter Snap ring
C	18.00 mm	width
C₁	4.70 mm	Distance lubrication hole
C₂	10.00 mm	width axial part
r_min.	0.30 mm	min. edge distance
r_a	0.30 mm	min. edge distance
d_a	16.60 mm

Designation	Dimension	Remark
C_a	4,850 N	dynamic load rating, axial
C_0a	8,200 N	static load rating, axial
C_ua	365 N	fatigue limit load, axial
C_r	5,400 N	dynamic load rating, radial
C_0r	4,300 N	static load rating, radial
C_ur	830 N	fatigue limit load
n_G	5,700 min^-1	Limiting speed with greasing
	0.028 kg	Weight

Designation	Dimension									Performance data
	F_w	D	D₁	C	C₁	C₂	d_a	r_a	r_min	C_r	C_0r	C_a	C_0a	C_ur	C_ua	n_G
	mm	mm	mm	mm	mm	mm	mm	mm	mm	N	N	N	N	N	N	min^-1
NX7-Z-TV	7.00	14.00	16.50	18.00	4.70	10.00	9.60	0.30	0.30	3,250	2,650	3,150	4,300	410	190	9,000
NX10-Z	10.00	19.00	21.90	18.00	4.70	10.00	14.60	0.30	0.30	5,000	3,700	4,600	7,200	720	320	6,600
NX12-Z	12.00	21.00	23.70	18.00	4.70	10.00	16.60	0.30	0.30	5,400	4,300	4,850	8,200	830	365	5,700
NX15-Z	15.00	24.00	26.50	28.00	8.00	12.20	19.00	0.30	0.30	12,100	12,700	5,600	10,400	2,320	460	4,800
NX17-Z	17.00	26.00	28.50	28.00	8.00	12.20	21.00	0.30	0.30	13,500	15,000	5,800	11,500	2,750	510	4,500
NX20-Z	20.00	30.00	33.60	28.00	8.00	12.20	25.00	0.30	0.30	14,600	17,500	7,000	14,700	3,200	650	3,900
NX25-Z	25.00	37.00	40.40	30.00	8.00	14.20	31.60	0.30	0.30	16,800	22,400	11,100	24,300	4,150	1,080	2,940
NX30-Z	30.00	42.00	45.10	30.00	10.00	14.20	36.50	0.30	0.30	25,500	36,000	11,700	28,000	6,300	1,230	2,580
NX35-Z	35.00	47.00	50.10	30.00	10.00	14.20	40.50	0.30	0.30	27,500	41,500	12,400	32,500	7,300	1,440	2,220

Designation	Dimension									Performance data
	F_w	D	D₁	C	C₁	C₂	d_a	r_a	r_min	C_r	C_0r	C_a	C_0a	C_ur	C_ua	n_G
	mm	mm	mm	mm	mm	mm	mm	mm	mm	N	N	N	N	N	N	min^-1
NX12	12.00	21.00	23.70	18.00	4.70	10.00	16.60	0.30	0.30	5,400	4,300	4,850	8,200	830	365	9,500
NX12-Z	12.00	21.00	23.70	18.00	4.70	10.00	16.60	0.30	0.30	5,400	4,300	4,850	8,200	830	365	5,700

Type	Designation	Brand	Full designation
IR8X12X10-IS1	Inner ring with lubrication bore	HFH	Inner ring with lubrication bore IR8X12X10-IS1
SW21	Snap ring	HFH	Snap ring SW21
WR21	Snap ring	HFH	Snap ring WR21

Name	Brand	Webshop	Notice
NX12-Z	DIV		cheap alternative
NX12-Z	HFH		Premium quality, house brand

Properties	Suffix	Description
Cage design	-	Sheet steel cage (standard)
Lubricatable	Z	closed cap for grease lubrication
Lubricatable	-	Lubricating groove and lubricating nut on the outer ring (standard)
axial direction of action	-	unidirectional

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Needle axial ball bearing

NXZ

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Needle axial ball bearing NX12-Z without inner ring for grease lubrication, with top cap