BALL TRANSFER UNITS
multi-directional handling solutions
www.ball-units.com
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Ball Transfer Units
Index
BTA Range3
BTB Range4
BTC Range5
BTD Range 6
Fabricated Ball Tables
7
Air Cargo Castors
7
Ball Transfer Units
BTA Range
• L ight duty pressed steel ball transfer unit manufactured with
Bridge Bearings ball units are designed for multi-direction materials
handling solutions. They consist of a large load-bearing ball running on a
number of smaller support balls housed in a hemispherical cup. Each unit
slightly oiled during manufacture. Our ball units are designed to be used
in a standard vertical position.
standard zinc plated finish.
• A ll ball contact surfaces are case hardened to ensure a long
trouble free service.
• F itted using a spring clip. It is important that the clip is
positioned in the seating hole prior to insertion of the ball unit.
• BTA is fitted with a felt seal.
A
d1
BTA Spring Clip
C
C
B
Seating Hole
D
Introduction
At Bridge Bearings we have been manufacturing ball transfer units and ball tables for over 25 years. These provide
a simple yet flexible, cost effective, multi-directional movement for both light and heavy loads. With a wide range of
load capacities our ball units render them suitable for numerous materials handling solutions.
Prefix
Load Ball
Minor Balls
Housing
Materials
Bridge Bearings ball transfer units are available
in various materials.
Material required should be stated when ordering.
Standard
Units
Chrome Steel
Grade 100 60-64HRC
Chrome Steel
Grade 100 60-64HRC
Carbon Steel
Bright Zinc Plated
NB
Plastic
Delrin/Nylon
Stainless Steel
AISI 420
Carbon Steel
Bright Zinc Plated
SB
Stainless Steel
AISI 420
Stainless Steel
AISI 420
Carbon Steel
Bright Zinc Plated
SP
Stainless Steel
AISI 420
Stainless Steel AISI 420
Nylon 6
30% Glass Filled
SS
Stainless Steel
AISI 420
Stainless Steel
AISI 420
Stainless Steel
AISI 304
Reference Material & Finish
Ball Dia.
A
B
C
D
Maximum
mmmm mm mmmmLoad Kg.
Chrome Steel Balls,
BTA 15Bright Zinc Plated Pressings
15.8
31219.52460
Delrin Load Ball,
BTA 15 NBBright Zinc Plated Pressings
15.8
31219.52410
Chrome Steel Balls,
BTA 22Bright Zinc Plated Pressings
22.2 45.25 27.5 8.2 35.81160
Stainless Steel Balls,
BTA 22 SB
Bright Zinc Plated Pressings
22.2 45.25 27.5 8.2 35.81160
Delrin Load Ball,
BTA 22 NB
Bright Zinc Plated Pressings
22.2 45.25 27.5 8.2 35.8120
BTA Spring Clip
Reference C
d1
Seating Hole
Plate
Dimension
Thickness
BTA 15 SC
6.0 30.825
2-3mm
BTA 22 SC
7.045 37
3-4mm
3
4
Ball Transfer Units
BTB Range
BTC Range
• Holes on flange for fixings by means of screws or rivets.
• Stainless steel units are used predominantly in air cargo
•
BTC 30 SB manufactured with high capacity, CNC machined
mild steel body.
• Multi drainage hole.
• Supplied without integrated felt seal.
• Suitable for air cargo and baggage handling/ground support equipment.
• BTC 30 SP manufactured with hi-impact plastic body for reduced component weight.
and baggage handling/ground support equipment.
•
• All units available with 2 or 3 hole fixings.
BTB 32 units have multiple drainage holes.
A
BTB 32 SS
BTC 30 SB
A
C
C
B
B
F - Fixing Holes
D - Seating Hole
D
E
Reference Material & Finish
Reference Material & Finish
Ball Dia.
A
B
C
D
Maximum
mmmmmm mm mmLoad Kg.
60
Stainless Steel Balls,
BTC 30 SB
Bright Zinc Plated Body
305537 13.8
45350
125
Stainless Steel Balls,
BTC 30 SP*
High Impact Plastic Body
30 55 36.513.845 200
Ball Dia. A
B
C
D
E (PCD)F (Dia.)Maximum
mm mmmmmm mmmmmmLoad Kg.
BTB 25
25.4 73.530.514.2 40 55.65
Chrome Steel Balls,
Bright Zinc Plated Pressings
BTB 32
31.75 73.75 36.7516.3 47 58.7 5
Nylon Load Ball,
BTB 25 NBBright Zinc Plated Pressings
25.4 73.530.514.2 40 55.65
25
Stainless Steel Balls,
BTB 32 SB
Bright Zinc Plated Pressings
31.75 73.75 36.7516.3 47
125
BTB 25 SS
Stainless Steel Balls
& Pressings
BTB 32 SS*
58.7 5
25.4 73.530.514.2 40 55.65
60
31.75 73.75 36.7516.3 47
125
*BTB Stainless Steel units supplied without integral felt seal.
58.7 5
*BTC 30 SP fitted with integral ‘stainless steel’ Bearing Cup.
5
46
Ball Transfer Units
E
Ă5.56
BTD Range
Fabricated Ball Tables
• Light duty pressed steel ball transfer unit manufactured with
standard zinc plated finish.
to ensure a long trouble-free service.
• Ball contact surface is case hardened
F
Unit
complete
with
2
hole
fixing.
•
• Dirt exit holes included as standard.
• BTD is fitted with a felt seal.
• Ball transfer tables manufactured to suit your requirements.
• Ball tables can be supplied fitted with BTA, BTB or BTC units.
• Standard finish: Powder coat Blue RAL 5050 or White RAL 9010
• Other colours available.
• Stainless Steel ball tables also available.
A
C
B
F - Fixing Holes
G
E
D
Square Pitch
Reference Material & Finish
Ball Dia. A
B
C
D
E
F (Dia.)G
Maximum
mmmmmmmmmmmmmmmmLoad Kg.
Chrome Steel Balls,
BTD 25Bright Zinc Plated Pressings
25.4 41.8 30.258.00 68.5055.565.5 0.90 55
Stainless Steel Balls,
BTD 25 SB
Bright Zinc Plated Pressings
25.4 41.8 30.258.00 68.5055.565.5 0.90 55
Diamond Pitch
Elongated Pitch
Air Cargo Castors
NEED ASSISTANCE?
We offer FREE technical advice.
If you cannot find the product you are
looking for, let us help you.
01384 264930
Bridge Bearings are pleased to offer a range of Air Cargo Castors.
Please contact us for further information.
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BRIDGE BEARINGS LYE, STOURBRIDGE SITE
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ASSEMBLY & DESPATCH DEPT.
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2
COMPONENTS & FINISHED
PRODUCT STORES
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MACHINING DEPT.
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4
4
PRESS DEPT.
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ROLLER MANUFACTURE
Bridge Bearings Ltd.
Bromley Street, Lye, Stourbridge, W. Midlands. DY9 8PT
Tel: 00 44 (0)1384 264 930
Email: [email protected]
www.bridge-bearings.co.uk
www.ball-units.com
© All images and drawings are the sole property of Bridge Bearings Limited and cannot be duplicated.
0716.01