Guide Way Ball Bearing (LFR50-5 NPP)

Guide Way Ball Bearing (LFR50-5 NPP)

1. Series LFR rollers are the most widely-use and economy product among the linear motion track rollers, and they can suit to the cylindrical track.
2. There are two contact points between the roller and track, so the contact function is favorable.
3. Rollers feature double row angular contact ball bearing in its internal structure design and a thick-walled outer ring, so rollers can accommodate higher loads.
4. Rollers are made of high-quality bearing steel, processed by heat treatment and precision grind, and are filled with a long service life, high-grade and multi-purposes grease. Rollers mount the metal shield (KDD) or rubble seal (NPP) to prevent the dust. PLB also can provide the rollers with concentric or eccentric pivot. Some types of the rollers can be made from the corrosion resistance stainless steel.

" * " means  this bearing can be lubricated through a hole on the inner ring.
Guide Way Bearing Item Number			Weight	Dimension (mm)							Load Rating
PLB	Germany	Italy	≈(g)	dw	d	D	C	B	A	rs	Cw(KN)	Cow(KN)	Fr perm(KN)
LFR 50/4 NPP	-	-	3.5	5	4	13	6	7	8.04	0.2	1.05	0.85	1.15
LFR 50/5-4 KDD	LFR50/5KDD-4	R 50/5-4 ZZ	7.5	4	5	16	7	8	9	0.2	1.2	0.86	1.3
LFR 50/5-4 NPP	LFR50/5NPP-4	R 50/5-4 2RS	7.5	4	5	16	7	8	9	0.2	1.2	0.86	1.3
LFR 50/5 KDD	LFR50/5KDD	R 50/5-6 ZZ	8	6	5	17	7	8	10.5	0.2	1.27	0.82	1.3
LFR 50/5 NPP	LFR50/5NPP	R 50/5-6 2RS	8	6	5	17	7	8	10.5	0.2	1.27	0.82	1.3
LFR 50/8 KDD	LFR50/8KDD	R 50/8-6 ZZ	24	6	8	24	11	11	14	0.3	3.67	2.28	1.3
LFR 50/8 NPP	LFR50/8NPP	R 50/8-6 2RS	24	6	8	24	11	11	14	0.3	3.67	2.28	1.3
LFR 50/8-8 KDD			24	8	8	24	11	11	14.75	0.3	3.67	2.28	1.3
LFR 50/8-8 NPP			24	8	8	24	11	11	14.75	0.3	3.67	2.28	1.3
LFR 30/8 KDD			31	10	8	26.8	11	13	16.7	0.3	3.67	2.28	1.3
LFR 30/8 NPP			31	10	8	26.8	11	13	16.7	0.3	3.67	2.28	1.3
LFR 5201 KDD	LFR5201KDD	R 5201-10 ZZ	68	10	12	35	15.9	15.9	20.65	0.3	8.5	5.1	5.1
LFR 5201 NPP	LFR5201NPP	R 5201-10 2RS	68	10	12	35	15.9	15.9	20.65	0.3	8.5	5.1	5.1
LFR 5301 KDD	LFR5301KDD	R 5301-10 ZZ	130	10	12	42	19	19	24	0.6	13	7.7	7.5
LFR 5301 NPP	LFR5301NPP	R 5301-10 2RS	130	10	12	42	19	19	24	0.6	13	7.7	7.5
LFR 5301-20 KDD			125	20	12	42	19	19	28	0.6	13	7.7	7.5
LFR 5301-20 NPP			125	20	12	42	19	19	28	0.6	13	7.7	7.5
LFR 5302 KDD	LFR5302KDD	R 5302-10 ZZ	163	10	15	47	19	19	26.65	1	16.2	9.2	6.2
LFR 5302 NPP	LFR5302NPP	R 5302-10 2RS	163	10	15	47	19	19	26.65	1	16.2	9.2	6.2
LFR 5201-12 KDD	LFR5201-12KDD	R 5201-12 ZZ	68	12	12	35	15.9	15.9	21.75	0.3	8.4	5	5.1
LFR 5201-12 NPP	LFR5201-12NPP	R 5201-12 2RS	68	12	12	35	15.9	15.9	21.75	0.3	8.4	5	5.1
LFR 5201-14 KDD	LFR5201-14KDD	R 5201-14 ZZ	107	14	12	39.9	18	20	24	0.3	8.9	5	6.7
LFR 5201-14 NPP	LFR5201-14NPP	R 5201-14 2RS	107	14	12	39.9	18	20	24	0.3	8.9	5	6.7
LFR 5201-10.14 KDD			115	10	12	39.9	18	20	24	0.3	8.9	5	6.7
LFR 5201-10.14 NPP			115	10	12	39.9	18	20	24	0.3	8.9	5	6.7
LFR 5204-16 KDD*	LFR5204-16KDD	R 5204-16 ZZ	195	16	20	52	20.6	22.6	31.5	0.6	16.8	9.5	12.1
LFR 5204-16 NPP*	LFR5204-16NPP	R 5204-16 2RS	195	16	20	52	20.6	22.6	31.5	0.6	16.8	9.5	12.1
LFR 5206-20 KDD*	LFR5206-20KDD	R 5206-20 ZZ	435	20	25	72	23.8	25.8	41	0.6	29.5	16.6	20.7
LFR 5206-20 NPP*	LFR5206-20NPP	R 5206-20 2RS	435	20	25	72	23.8	25.8	41	0.6	29.5	16.6	20.7
LFR 5206-25 KDD*	LFR5206-25KDD	R 5206-25 ZZ	425	25	25	72	23.8	25.8	43.5	0.6	29.2	16.4	23.1
LFR 5206-25 NPP*	LFR5206-25NPP	R 5206-25 2RS	425	25	25	72	23.8	25.8	43.5	0.6	29.2	16.4	23.1
LFR 5207-30 KDD*	LFR5207-30KDD	R 5207-30 ZZ	660	30	30	80	27	29	51	1	38	20.8	21.4
LFR 5207-30 NPP*	LFR5207-30NPP	R 5207-30 2RS	660	30	30	80	27	29	51	1	38	20.8	21.4
LFR 5208-40 KDD*	LFR5208-40KDD	R 5208-40 ZZ	1360	40	40	98	36	38	62.5	1	54.8	29	55
LFR 5208-40 NPP*	LFR5208-40NPP	R 5208-40 2RS	1360	40	40	98	36	38	62.5	1	54.8	29	55
LFR 5308-50 KDD*	LFR5308-50KDD	R 5308-50 ZZ	1400	50	40	110	44	46	72.5	1.1	53	39.5	69
LFR 5308-50 NPP*	LFR5308-50NPP	R 5308-50 2RS	1400	50	40	110	44	46	72.5	1.1	53	39.5	69

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