high precision LFR50/5-4 KDD guide rail track roller bearing
Track high precision industrial robot U groove ball bearing, LFR50/5-4 KDD guide rail track roller bearing
LFR Series Track Roller Bearings is the most widely used, economical and practical products can be adapted to the cylindrical guide, smooth operation, the error is small, very low noise operation, high operating speed.
Wheel design of the internal structure of the double row angular contact ball bearings and thickening of the outer ring, the wheel has a higher carrying capacity, roller bearings configure the eccentric and concentric shaft installation simple.
Rollers with high-quality bearing steel or stainless steel, processed by heat treatment, precision grinding, and filled with a long life, high-quality multi-purpose grease
LFR...KDD series: wheel dust proof metal shield
LFR...NPP series: wheel dust proof rubber seals
U groove track rolle bearing bearing Feature:
High speed, high precision.
High rigidity, stand impact and vibration.
Lubrication
Anti-corrosion of protection
High axial load
Long life
Low friction
track roller bearings application:
Manipulator, shaft of large machine tool, Wheel shaft box, Large reducer, Bearing of roller steel mill, Agricultural machinery, construction, hydro and wind engineering, machine tools and manufacturing machinery, material handling and packaging industry, port engineering, electric tools industry, transmission, the semiconductor, pump and fan, industrial robotics and automation, rubber, plastic and chemical, textile machine, metallurgy,tractor, woodworking machinery, office automation equipment.
| track roller bearing types: | |||
| Yoke type track rollers | without axial guidance | RSTO, STO, RNA22…2RS, NA22…2RS, | |
| with axial guidance | NATR…PP | ||
| full completement | NAST, NATR, NATV…PP, NATV, NUTR, PWTR...2RS, NNTR…2ZL, | ||
| Stud thread type track roller | with axial guidance | KR…PP, KR, KRE…PP, KRV…PP, NUKR, NUKRE, PWKR…2RS, PWKRE…2RS | |
| guide rail track roller | sealed | double row | LFR..2Z, LR50, LR52, LR53, SG, C,CR,LV, W, RM, RCP, RCV,REP, REV,RE |
| single row | LR6, LR2, KLR | ||
| Stud type track roller | sealed | double row | ZL52…DRS, ZLE52…2Z, KR52…2RS |
| single row | ZL2…DRS | ||
Matric series: STO, RSTO, NA22...2RS, RNA22...2RS, NATR,NATR...PP, NATV, NATV...PP, NUTR, ETC, KR, KRE, KR...PP, KRE...PP, KRV, KRV...PP, KRVE...PP, NUKR, ETC
Inch series: CRY...V, CRY...VUU, ETC, CR, CRH
| Details: | |
| Name | Double row Track Roller Bearing/U groove ball bearing/guide rail way wheel bearing |
| Brand | NJSKT |
| No. | LFR 50/5-4 KDD |
| Quality Standard: | ISO9001:2008 |
| size: | following list |
| Minimum quantity: | 1 piece |
| Hardness: | 59-63 HRC |
| Seal Types | sealed |
| Material: | Gcr15, Gcr15SiMn, Chrome steel, stainless steel |
| Cage material | steel cage |
| Guide roller | main dimension | load | weight | ||||||||
| NJSKT | dw | d | D | C | B | A | rs | Cw | Cow | Fr perm | |
| mm | kN | ≈(g) | |||||||||
| LFR 50/4 NPP | 5 | 4 | 13 | 6 | 7 | 8 | 0.2 | 1.05 | 0.85 | 1.15 | 3.5 |
| LFR 50/5-4 KDD | 4 | 5 | 16 | 7 | 8 | 9 | 0.2 | 1.2 | 0.86 | 1.3 | 7.5 |
| LFR 50/5 NPP | 6 | 5 | 17 | 7 | 8 | 11 | 0.2 | 1.27 | 0.82 | 1.3 | 8 |
| LFR 50/8 KDD | 6 | 8 | 24 | 11 | 11 | 14 | 0.3 | 3.67 | 2.28 | 1.3 | 24 |
| LFR 50/8-8 NPP | 8 | 8 | 24 | 11 | 11 | 15 | 0.3 | 3.67 | 2.28 | 1.3 | 24 |
| LFR 30/8 KDD | 10 | 8 | 27 | 11 | 13 | 17 | 0.3 | 3.67 | 2.28 | 1.3 | 31 |
| LFR 30/8 NPP | 10 | 8 | 27 | 11 | 13 | 17 | 0.3 | 3.67 | 2.28 | 1.3 | 31 |
| LFR 5201 KDD | 10 | 12 | 35 | 16 | 16 | 21 | 0.3 | 8.5 | 5.1 | 5.1 | 68 |
| LFR 5201 NPP | 10 | 12 | 35 | 16 | 16 | 21 | 0.3 | 8.5 | 5.1 | 5.1 | 68 |
| LFR 5301 KDD | 10 | 12 | 42 | 19 | 19 | 24 | 0.6 | 13 | 7.7 | 7.5 | 130 |
| LFR 5301 NPP | 10 | 12 | 42 | 19 | 19 | 24 | 0.6 | 13 | 7.7 | 7.5 | 130 |
| LFR 5301-20 KDD | 20 | 12 | 42 | 19 | 19 | 28 | 0.6 | 13 | 7.7 | 7.5 | 125 |
| LFR 5301-20 NPP | 20 | 12 | 42 | 19 | 19 | 28 | 0.6 | 13 | 7.7 | 7.5 | 125 |
| LFR 5302 KDD | 10 | 15 | 47 | 19 | 19 | 27 | 1 | 16.2 | 9.2 | 6.2 | 163 |
| LFR 5302 NPP | 10 | 15 | 47 | 19 | 19 | 27 | 1 | 16.2 | 9.2 | 6.2 | 163 |
| LFR 5201-12 KDD | 12 | 12 | 35 | 16 | 16 | 22 | 0.3 | 8.4 | 5 | 5.1 | 68 |
| LFR 5201-12 NPP | 12 | 12 | 35 | 16 | 16 | 22 | 0.3 | 8.4 | 5 | 5.1 | 68 |
| LFR 5201-14 KDD | 14 | 12 | 40 | 18 | 20 | 24 | 0.3 | 8.9 | 5 | 6.7 | 107 |
| LFR 5201-14 NPP | 14 | 12 | 40 | 18 | 20 | 24 | 0.3 | 8.9 | 5 | 6.7 | 107 |
| LFR 5204-16 KDD | 16 | 20 | 52 | 21 | 23 | 32 | 0.6 | 16.8 | 9.5 | 12.1 | 195 |
| LFR 5204-16 NPP | 16 | 20 | 52 | 21 | 23 | 32 | 0.6 | 16.8 | 9.5 | 12.1 | 195 |
| LFR 5206-20 KDD | 20 | 25 | 72 | 24 | 26 | 41 | 0.6 | 29.5 | 16.6 | 20.7 | 435 |
| LFR 5206-20 NPP | 20 | 25 | 72 | 24 | 26 | 41 | 0.6 | 29.5 | 16.6 | 20.7 | 435 |
| LFR 5206-25 KDD | 25 | 25 | 72 | 24 | 26 | 44 | 0.6 | 29.2 | 16.4 | 23.1 | 425 |
| LFR 5207-30 NPP | 30 | 30 | 80 | 27 | 29 | 51 | 1 | 38 | 20.8 | 21.4 | 660 |
| Shipment |
For small orders,we send by express UPS,DHL,FEDEX, or EMS with Thracking number. For big quantity, we will ship by air or by sea. |
| Delivery date | Normally ready goods and stock within 4-15 days. Bulk quantity within 30-45days. |
| Payment terms | 1. We can accept PAYMENT terms: T/T L/C |
| 2. For small amount, we accept Western Union | |
| Samples Policy : | sample cost needed and freight collected. We will reduct this part expense from the total value when place order. |
| Package | 1. Industrial packaging: plastic bag + kraft paper + carton or wooden ; plastic tube + carton |
| 2. Commercial packing: 1pc/plastic bag + color box + carton | |
| 3. As the clients' requirement | |
| Service: | We are 100% manufacture. We can supply you technical support. |
| We have strict quality control processes. We supply high quality bearings with fair price. | |
| We accept small quantity. | |
| We may supply other globle brand bearings and offer buyer labels. | |
| We can manufacture any bearings according to customer's drawings and samples. |
Before-Sales:
- Providing guidance for bearing type selection ,choosing the optimal desidn,reducin H the customer cost and esuring the operating performance of equipment
- Hlping customers design bearing applications and providing overall solutions
- Reducing operating cost for customers
In-Sales :
- Providing customers with transportation arrangements and related service
- Assisting customers in handling icoming inspection.
After-sales:
- Providing customers with trainings about bearings installation,operation and maintenance
- ENsuring the stable operation of equipment,improving
- Providing bearing failure analysis
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