SYJ 30 KF

Pillow block ball bearing unit with adapter sleeve locking, cast iron, Japanese standards

Pillow (plummer) block ball bearing units consist of an insert bearing mounted in a cast iron housing that can be bolted to a support surface.

This variant is suitable for applications with both constant and alternating directions of rotation. It is locked with an adapter sleeve, enabling quick and easy mounting onto the shaft. Adapter sleeve needs to be ordered separately.

  • Strong
  • Ready to mount
  • Designed for a constant and alternating rotation
  • Lubricated and sealed bearing
  • Quick locking onto the shaft
  • Cost-effective

Dimensions

d
25 mm
Bore diameter
d1
39.7 mm
Shoulder diameter of inner ring
d3
45 mm
Outside diameter of lock nut
A
42 mm
Base width
A1
27 mm
Top width
B1
28 mm
Overall bearing width
B1
38 mm
Width of sleeve
H
42.9 mm
Height of spherical seat centre
H1
16 mm
Foot height
H2
82 mm
Overall height
J
118 mm
Distance between attachment bolts
J
max.125 mm
Distance between attachment bolts
J
min.111 mm
Distance between attachment bolts
L
165 mm
Overall length
N
17 mm
Diameter of attachment bolt hole
N1
24 mm
Length of attachment bolt hole
s1
22.25 mm
Distance from locking device side face to raceway centre
Value specified for s1 is approximate and before the sleeve is driven into the bearing bore (sleeve and inner ring bore at starting position).
THREADED HOLE
RG
1/4-28 UNF
Housing thread for the grease fitting
R1
3 mm
Axial position of the housing thread
Rα
45 °
Angular position of the housing thread
GREASE FITTING
DN
6.5 mm
Diameter of head sphere of grease fitting
SWN
7 mm
Hexagonal key size for the grease fitting
GN
1/4-28 SAE-LT
Thread of grease fitting
DOWEL PINS
J6
155 mm
Distance of dowel pins
J7
15 mm
Axial offset of dowel pins
N4
4 mm
Recommended diameter for dowel pins

Calculation data

Basic dynamic load rating C
19.5 kN
Basic static load rating C0
11.2 kN
Fatigue load limit Pu
0.475 kN
Limiting speed
6 300 r/min

Mounting information

Associated spanner
HN 6
Recommended lock nut tightening angle α
95 °
Recommended diameter for attachment bolts, mm G
14 mm
Recommended diameter for attachment bolts, inch G
0.5625 in

Properties

Housing type Pillow block
Number of bolt holes for fasteners 2
Fastening bolt hole type Plain
Retaining feature, inner ring Adapter sleeve
Bore type Tapered
Rubber seating ring Without
Material, housing Cast iron
Material, bearing Bearing steel
Coating Without
Sealing, bearing Seal and flinger on both sides
Sealing type Contact, standard
Sealing, unit Without
Lubricant Grease
Relubrication hole With
Grease fitting With
Order adapter sleeve separately
Compliance with standard
JIS
Material, housing
Cast iron
Sealing, bearing
Seal and flinger on both sides
Sealing type, bearing
Contact, standard
Sealing, unit
Without
Coating
Without

Logistics

Product net weight 1.06 kg
eClass code 23-05-16-02
UNSPSC code 31171536

Component

Pillow block housing for insert bearings, cast iron, Japanese standards SYJ 506
Insert bearing with tapered bore and adapter sleeve locking YSA 206-2FK

Recommended product

Adapter sleeve with KM lock nut and MB lock washer, metric dimensions H 2306

(30X165X42) (SYJ30KF)

Additional information

Weight 1.06 kg
Size (mm)

Colour

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