LFR Track Rollers is economic for linear motion track rollers, they are be suit to the cylindrical track.
LFR(R) Series Track Roller, it's also called LFR track rollers with Gothic arch groove profile, or U groove profile track rollers.

Applications:

• Machine tool doors
• Vending machines
• Woodworking machinery
• Carpet and textile machinery
• Laboratory automation
• Paper converting equipment
• Packaging machinery

Product Parameters

Features 

• LFR track roller based on double row angular contact ball design,the thicker outer rings with gothic arch groove profile 

• Two points contact ( 60 degree) between gothic arch groove profile and shaft 
• AISI 52100 (100Cr6)  steel or stainless steel AISI 440 C ( DIN 1.14304) 
• Nylon cage with fiberglass fill 25%
• Lubricant-Shell Alvania RLS2 grease
• SPCC shields or acrylonitrile-butadiene steel sheet reinforced (NBR) seals 

Bearing No.	Dimensions (mm)							Mass
	dw	d	D	C	B	A	rs	kg
LFR50/4-4	4	4	13	6	7.55	8.04	0.2	0.007
LFR50/5-4	4	5	16	7	8	9	0.2	0.009
LFR50/5-6	6	5	17	7	8	10.5	0.2	0.010
LFR50/6-6	6	6	19	8.5	9	11.5	0.3	0.013
LFR50/8-6	6	8	24	11	11	14	0.3	0.020
LFR 50/8-8	8	8	24	11	11	14.75	0.3	0.020
LFR5201-10	10	12	35	15.9	15.9	20.65	0.3	0.068
LFR5201-12	12	12	35	15.9	15.9	21.75	0.3	0.068
LFR5201-14	14	12	39.9	18	20	24	0.3	0.095
LFR5201-10.40	10	12	39.9	18	20	22	0.3	0.115
LFR5301-10	10	12	42	19	19	24	0.6	0.130
LFR5301-20	20	12	42	19	19	28	0.6	0.125
LFR5202-12	12	15	45	15.9	15.9	26.5	0.6	0.120
LFR5302-10	10	15	47	19	19	26.65	1	0.163
LFR5204-16	16	20	52	20.6	22.6	31.5	0.6	0.195
LFR5206-20	20	25	72	23.8	25.8	41	0.6	0.435
LFR5206-25	25	25	72	23.8	25.8	43.5	0.6	0.425
LFR5207-30	30	30	80	27	29	51	1	0.660
LFR5208-40	40	40	98	36	38	62.5	1	1.360
LFR5308-50	50	40	110	44	46	72.5	1.1	1.400

1. We have over 10 years' experience.
2. OEM or Non-Standard Bearings: Any requirement for Non-standard bearings is easily fulfilled by us due to our vast knowledge and links in the industry.
3. After Sales Service and Technical Assistance: Our company provides after-sales service and technical assistance as per the customer's requirements and needs.
4. Quick Delivery: Our company provides just-in-time delivery with our streamlined supply chain.
5.We attend promptly to any customer questions. We believe that if our customers are satisfied then it proves our worth. Our customers are always given quick support.                              

Please contact us immediately if you have any questions.