PF 25 TF

Round flanged ball bearing unit with pressed steel housing

Round flanged ball bearing units with pressed steel housing consist of an insert bearing mounted in a pressed steel housing that can be bolted to a machine wall or frame.

In addition to being part of a unit, housings and insert bearings are available as separate components. The SKF assortment includes ball bearing units compliant with several industrial standards, meeting many requirements regarding bolt patterns and mechanisms for locking onto on the shaft.

  • Ready to mount
  • Sealed bearings lubricated for life
  • Quick locking on the shaft
  • Large variety of housing shapes, housing materials, and locking methods
  • Concentric locking options for high speeds and low vibration

Dimensions

d
25 mm
 Bore diameter
d1
≈33.74 mm
 Outer diameter of inner ring
A2
9 mm
 Width of housing half
A4
2 mm
 Top width
B
34.1 mm
 Width of inner ring
B4
5 mm
 Distance from locking device side face to thread centre
H
95 mm
 Outside diameter
H2
min.56 mm
 Abutment diameter
J
76.2 mm
 Pitch diameter of attachment bolts
N
8.7 mm
 Length of attachment bolt hole
s1
19.8 mm
 Distance from locking device side face to raceway centre
T
21.8 mm
 Overall width

Calculation data

Basic dynamic load rating C
14 kN
Basic static load rating C0
7.8 kN
Fatigue load limit Pu
0.335 kN
Permissible radial housing load
max.3.6 kN
Limiting speed
7 000 r/min
Limiting speed with shaft tolerance h6

Mounting information

Set screw G2
M6x0.75
Hexagonal key size for set screw
3 mm
Recommended tightening torque for set screw
4 N·m
Recommended diameter for attachment bolts, mm G
8 mm
Recommended diameter for attachment bolts, inch G
0.3125 in

Included products

Housing PF 52
Bearing YAR 205-2F
Add to Enquiry
SKU: PF 25 TF-SKF Categories: ,
SKF

Properties

Housing type Flanged
Flanged housing type Round
Number of bolt holes for fasteners 3
Fastening bolt hole type Plain
Retaining feature, inner ring Set screws
Bore type Cylindrical
Rubber seating ring Without
Material, housing Pressed steel
Material, bearing Bearing steel
Coating Zinc-coated housing
Sealing, bearing Seal and flinger on both sides
Sealing type Contact, standard
Sealing, unit Without
Lubricant Grease
Relubrication hole Without
Grease fitting Without
Compliance with standard
ISO
Purpose specific
For agricultural applications
Material, housing
Pressed steel
Sealing, bearing
Seal and flinger on both sides
Sealing type, bearing
Contact, standard
Sealing, unit
Without
Coating
Zinc-coated housing

Logistics

Product net weight 0.369 kg
eClass code 23-05-08-02
UNSPSC code 31171536

(PF25TF)

Additional information

Weight 0.369 kg
Size (mm)

Colour

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