KEMA UptimeParts
SKF · GENUINEB-SY 40 TF

Housing Component SY 40 TF

SKF designation SY 40 TF

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Live stock · East Africa network

as of 2026-07-17
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NBO
Nairobi
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KLA
Kampala
—
DAR
Dar es Salaam
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MWZ
Mwanza

In stock — ships 24–48h

Held at Nairobi. Ships 24–48h once your quote is approved; delivered to your nearest office.

Replaces / interchanges

Component SY 508 MComponent YAR 208-2FRecommended product ECY 208

§02 · Overview

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 has an inner ring extended on both sides and is locked onto the shaft by tightening a set screw on the inner ring, making it easy to mount.

§03 · Datasheet

Technical specificationSKF verified40 fields

Pillow block ball bearing unit with extended inner ring and set screw locking, cast iron, ISO standards

  • Strong
  • Ready to mount
  • Lubricated and sealed bearing
  • Quick locking onto the shaft
  • Cost-effective
ABase width48mm
BWidth of inner ring49.2mm
HHeight of spherical seat centre49.2mm
LOverall length175mm
dBore diameter40mm
A₁Top width30mm
A₅Standout of end cover26mm
B₄Distance from locking device side face to thread centre8mm
H₁Foot height19mm
H₂Overall height99mm
J₆Distance of dowel pins161mm
J₇Axial offset of dowel pins17mm
N₄Recommended diameter for dowel pins4mm
R₁Axial position of the housing thread3.5mm
d₁Shoulder diameter of inner ring(≈)51.8mm
s₁Distance from locking device side face to raceway centre30.2mm
Angular position of the housing thread45°
Hexagonal key size for set screw4mm
Load ratings3
CBasic dynamic load rating30.7kN
C₀Basic static load rating19kN
PᵤFatigue load limit0.8kN
Speed1
Limiting speed4,800r/min
Tolerances & run-out1
Limiting speed with shaft tolerance h6—
Bolting5
GRecommended diameter for attachment bolts, mm12mm
JDistance between attachment bolts135.5mm
NDiameter of attachment bolt hole14mm
N₁Length of attachment bolt hole24.5mm
Recommended tightening torque for set screw6.5N·m
Lubrication4
DNDiameter of head sphere of grease fitting6.5mm
GNThread of grease fitting1/4-28 SAE-LT
RGHousing thread for the grease fitting1/4-28 UNF
Hexagonal key size for the grease fitting7mm
Other8
G₂Set screwM8x1
CoatingWithout
Material, housingCast iron
Optional end coverSealing, unit
Sealing type, bearingContact, standard
Compliance with standardISO
Seal and flinger on both sidesSealing, bearing
For material handling applicationsPurpose specific