KEMA UptimeParts
SKF · GENUINEB-SY 50 TF

Housing Component SY 50 TF

SKF designation SY 50 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
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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 510 MComponent YAR 210-2FRecommended product ECY 210

§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 width54mm
BWidth of inner ring51.6mm
HHeight of spherical seat centre57.2mm
LOverall length203mm
dBore diameter50mm
A₁Top width34mm
A₅Standout of end cover33mm
B₄Distance from locking device side face to thread centre9mm
H₁Foot height22mm
H₂Overall height114mm
J₆Distance of dowel pins187mm
J₇Axial offset of dowel pins19mm
N₄Recommended diameter for dowel pins4mm
R₁Axial position of the housing thread4mm
d₁Shoulder diameter of inner ring(≈)62.51mm
s₁Distance from locking device side face to raceway centre32.6mm
Angular position of the housing thread45°
Hexagonal key size for set screw5mm
Load ratings3
CBasic dynamic load rating35.1kN
C₀Basic static load rating23.2kN
PᵤFatigue load limit0.98kN
Speed1
Limiting speed4,000r/min
Tolerances & run-out1
Limiting speed with shaft tolerance h6—
Bolting5
GRecommended diameter for attachment bolts, mm16mm
JDistance between attachment bolts157mm
NDiameter of attachment bolt hole18mm
N₁Length of attachment bolt hole26mm
Recommended tightening torque for set screw16.5N·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 screwM10x1
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