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LE 307 2F

Y-Ball Bearings With Grub Screw Locking

35mm

d · Bore diameter

80mm

D · Outside diameter

33.2kN

Cdyn · Dynamic load rating

19kN

Co · Static load rating

0.71kg

kg · Mass

Price & availability

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Designation: LE 307 2F

Cross references

Manufacturer	Designation / part number
SNR	`UC307G2`
NTN	`UC307D1`

Type equivalents according to FKL's interchange table (Ball Bearings and Bearing Units catalogue, section 3.3). Each designation has been checked for this size in that maker's own catalogue; compare the dimensions before ordering.

What the designation means

2F: One lip rubber metal seal + flinger, on both sides

All prefixes and suffixes

Downloads

Datasheet (PDF)Official FKL datasheet

LE 307 2F

Technical specifications

Dimensions and load ratings – symbols refer to the technical drawing.

Symbol	Parameter	Value
d	Bore diameter	35mm
D	Outside diameter	80mm
B	Width inner ring	48mm
C	Width outer ring	25mm
s	Distance from inner ring side face to raceway centre	19mm
d1	Outer diameter inner ring	49.5mm
E	Distance from raceway centre to the hole for lubrication	5.7mm
Gs	Set screw	M8x1mm
sw	Hexagonal key size for set screw	4mm
r1,2	Inner ring Chamfer dimension	1.5mm
r3,4	Outside ring Chamfer dimension	1.5mm
Cdyn	Dynamic load rating	33.2kN
Co	Static load rating	19kN
Pu	Fatigue load limit	0.82kN
kg	Mass	0.71kg

Sealing type

F SEAL / F SEAL (2F)

Dual sealing, protection cover placed on the inner ring protects against rough impurity particles and makes the labyrinth with the sheet part of the seal; then the sealing S type, with the labyrinth between the sheet part and the rubber lip that conducts the contact sealing. The friction and speeds are the same as with S but has much better protection against rough impurity particles. It is very good sealing system: the sheet part protects the seal from the soil, dust and rough particles. At the same time makes the labyrinth with the rubber part. The rubber part provides the contact sealing that prevents the penetration of the finer impurities, water, moisture, steam etc. Suitable for heavier conditions due to better protection against foreign matters. It is used with the Y bearings (standard).

Overview of all sealing types