NAF2 Flange Bearing Units 4 Bolt Bearing Housing

Bearing housing: 4-bolt flange units,LDK brand (logo could be customized)
Material:HT200 cast grey iron(ductile iron available upon request)
Zerk fittings: Zinc plated A3 steel
Paint: dark green (other colors are available for choices)
hollow base (solid base optional when request)
High/low temperature grease or solid lube customization is accepted

Diagram Specification Parameter

 Mounted Bearings

 Rod End Bearings & Spherical Plain Bearings

Products

Diagram of 4-Bolt Flange Bearing Units NAF2

Products

Specifications of 4-Bolt Flange Bearing Units NAF2

Unit No.	Shaft Dia		Dimensions (mm)									Bolt Size (mm)	Weight (kg)
	d		L	J	kz	A1	A	N	S	Z	F
	(in)	(mm)	L	J	kz	A1	A	N	S	Z	F
NAF201S		12	76	54	15	11	25.5	12	13.9	38.4	—	M10	0.5
NAF201-8S	1/2		76	54	15	11	25.5	12	13.9	38.4	—	M10	0.5
NAF202S		15	76	54	15	11	25.5	12	13.9	38.4	—	M10	0.5
NAF202-10S	5/8		76	54	15	11	25.5	12	13.9	38.4	—	M10	0.5
NAF203S		17	76	54	15	11	25.5	12	13.9	38.4	—	M10	0.5
NAF203-11S	11/16		76	54	15	11	25.5	12	13.9	38.4	—	M10	0.5
NAF201		12	86	64	15	12	25.5	12	17.1	41.6	32	M10	0.66
NAF201-8	1/2		86	64	15	12	25.5	12	17.1	41.6	32	M10	0.66
NAF202		15	86	64	15	12	25.5	12	17.1	41.6	32	M10	0.66
NAF202-10	5/8		86	64	15	12	25.5	12	17.1	41.6	32	M10	0.66
NAF203		17	86	64	15	12	25.5	12	17.1	41.6	32	M10	0.66
NAF203-11	11/16		86	64	15	12	25.5	12	17.1	41.6	32	M10	0.66
NAF204		20	86	64	15	12	25.5	12	17.1	41.6	32	M10	0.66
NAF204-12	3/4		86	64	15	12	25.5	12	17.1	41.6	32	M10	0.66
NAF205		25	95	70	16	14	27	12	17.5	42.9	36	M10	0.80
NAF205-14	7/8		95	70	16	14	27	12	17.5	42.9	36	M10	0.80
NAF205-15	15/16		95	70	16	14	27	12	17.5	42.9	36	M10	0.80
NAF205-16	1		95	70	16	14	27	12	17.5	42.9	36	M10	0.80
NAF206		30	108	83	18	14	31	12	18.3	48.1	42	M10	1.2
NAF206-18	1-1/8		108	83	18	14	31	12	18.3	48.1	42	M10	1.2
NAF206-19	1-3/16		108	83	18	14	31	12	18.3	48.1	42	M10	1.2
NAF206-20	1-1/4		108	83	18	14	31	12	18.3	48.1	42	M10	1.2
NAF207		35	117	92	19	16	34	14	18.8	51.3	49	M12	1.6
NAF207-20	1-1/4		117	92	19	16	34	14	18.8	51.3	49	M12	1.6
NAF207-21	1-5/16		117	92	19	16	34	14	18.8	51.3	49	M12	1.6
NAF207-22	1-3/8		117	92	19	16	34	14	18.8	51.3	49	M12	1.6
NAF207-23	1-7/16		117	92	19	16	34	14	18.8	51.3	49	M12	1.6
NAF208		40	130	102	21	16	36	16	21.4	55.9	55	M14	1.9
NAF208-24	1-1/2		130	102	21	16	36	16	21.4	55.9	55	M14	1.9
NAF208-25	1-9/16		130	102	21	16	36	16	21.4	55.9	55	M14	1.9
NAF209		45	137	105	22	18	38	16	21.4	56.9	—	M14	2.30
NAF209-26	1-5/8		137	105	22	18	38	16	21.4	56.9	—	M14	2.30
NAF209-27	1-11/16		137	105	22	18	38	16	21.4	56.9	—	M14	2.30
NAF209-28	1-3/4		137	105	22	18	38	16	21.4	56.9	—	M14	2.30
NAF210		50	143	111	22	18	40	16	24.6	60.1	64	M14	2.60
NAF210-30	1-7/8		143	111	22	18	40	16	24.6	60.1	64	M14	2.60
NAF210-31	1-15/16		143	111	22	18	40	16	24.6	60.1	64	M14	2.60
NAF211		55	162	130	25	20	43	19	27.8	68.6	71	M16	3.80
NAF211-32	2		162	130	25	20	43	19	27.8	68.6	71	M16	3.80
NAF211-34	2-1/8		162	130	25	20	43	19	27.8	68.6	71	M16	3.80
NAF211-35	2-3/16		162	130	25	20	43	19	27.8	68.6	71	M16	3.80
NAF212		60	175	143	29	20	48	19	31	75.8	78	M16	4.80
NAF212-36	2-1/4		175	143	29	20	48	19	31	75.8	78	M16	4.80
NAF212-38	2-3/8		175	143	29	20	48	19	31	75.8	78	M16	4.80
NAF212-39	2-7/16		175	143	29	20	48	19	31	75.8	78	M16	4.80
NAF213		65	187	149	30	22	50	19	34.3	81.4	85	M16	6
NAF213-40	2-1/2		187	149	30	22	50	19	34.3	81.4	85	M16	6
NAF214		70	193	152	31	22	54	19	34.3	82.4	91	M16	6.3
NAF214-44	2-3/4		193	152	31	22	54	19	34.3	82.4	91	M16	6.3
NAF215		75	200	159	34	22	56	19	37.3	88.8	96	M16	7.2
NAF215-48	3		200	159	34	22	56	19	37.3	88.8	96	M16	7.2

Notes:

Bearing housing solid base optional, add suffix SB as the designation.

Products

Parameter Table of 4-Bolt Flange Bearing Units NAF2

Bearing housing	4-bolt flange units	insert bearing:	ball bearing NA2 series,standard duty,wider inner ring
Brand:	LDK brand	locking type:	eccentric locking collar
material	HT200 cast grey iron	material:	outer/inner ring: Gcr15(AISI52100) steel; steel ball: G10
zerk fittings	Zinc plated A3 steel		retainer: steel cage.
paint	dark green	Lubricant	SHELL GADUS S2 V220 2 only
base	hollow base	other:	oil groove and holes of outer ring are at same side of eccentric locking collar
			anti-rotation pin at opposite side of eccentric locking collar