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Home > Industrial Equipment & Components > Bearing > Spherical Roller Bearing > 5*21*7mm U Groove Iron Pulley Wheel Bearing for Door or Drying Racks
5*21*7mm U Groove Iron Pulley Wheel Bearing for Door or Drying Racks
US$ 0.03 - 0.1
MOQ: 1 Piece
Key Specifications
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Brand Name:
NTL
Bore Size:
2, 50
Outside Diameter:
13, 110
Payment & Shipping
Payment Methods:
Port of Shipment:
Shanghai
Delivery Detail:
Delivery time depends on order quantity.
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Brand Name
NTL
Bore Size
2, 50
Outside Diameter
13, 110
Model Number
5*21*7
Precision Rating
high precision
Seals Type
Sealed
Number of Row
Other
Place of Origin
Jiangsu, China
5*21*7mm U groove iron pulley wheel bearing for door or drying racks
V/U grooveTrack roller bearing LFR type
Guide Way Ball Bearing
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.
| bearing code |
weight (g) |
dimension(mm) | load rating | ||||||||
| 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 | 7.5 | 4 | 5 | 16 | 7 | 8 | 9 | 0.2 | 1.2 | 0.86 | 1.3 |
| LFR 50/5-4 NPP | 7.5 | 4 | 5 | 16 | 7 | 8 | 9 | 0.2 | 1.2 | 0.86 | 1.3 |
| LFR 50/5 KDD | 8 | 6 | 5 | 17 | 7 | 8 | 10.5 | 0.2 | 1.27 | 0.82 | 1.3 |
| LFR 50/5 NPP | 8 | 6 | 5 | 17 | 7 | 8 | 10.5 | 0.2 | 1.27 | 0.82 | 1.3 |
| LFR 50/8 KDD | 24 | 6 | 8 | 24 | 11 | 11 | 14 | 0.3 | 3.67 | 2.28 | 1.3 |
| LFR 50/8 NPP | 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 | 68 | 10 | 12 | 35 | 15.9 | 15.9 | 20.65 | 0.3 | 8.5 | 5.1 | 5.1 |
| LFR 5201 NPP | 68 | 10 | 12 | 35 | 15.9 | 15.9 | 20.65 | 0.3 | 8.5 | 5.1 | 5.1 |
| LFR 5301 KDD | 130 | 10 | 12 | 42 | 19 | 19 | 24 | 0.6 | 13 | 7.7 | 7.5 |
| LFR 5301 NPP | 130 | 10 | 12 | 42 | 19 | 19 | 24 | 0.6 | 13 | 7.7 | 7.5 |
Welcome your inquiry of the track roller bearing.
Sales manager:dana
Skype:danalove329
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5Yrs
Business Type
Trading Company
Year Established
2010
Factory Size
Below 1,000 square meters
Total Employees
Fewer than 5 People
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