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Universal Joint Couplings - Lovejoy - #9

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Universal Joints
D 303 Stainless and NB Type Dimensional Data
Lovejoy
ŕ
D Type 303 Stainless
■ Made from 303 stainless steel
■ Ideal for applications with exposure to corrosive chemicals, corrosive atmosphere, or sanitation requirements are a factor
■ Available in sizes: 4, 6, 8, 10 and 12 (Other sizes are quantity dependent)
■ Available in your choice of round, hex, splined, or keyway bore
■ Boot retaining grooves are standard. See page UJ-11 for selection of on-site replaceable universal joint boots
■ Lubrication is required for optimal wear - boots and lubricant extend universal joint life
■ Contact Lovejoy Engineering if you have specific questions or requirements
D Type 303 Stainless Dimensional Data
D-SS Type
OAL
E
C
ID1
ID2
OD
Main Pin
Bore
Std
Max Bore
Max Bore
Max Square/
Static*
Weight
Size
Height
Depth
Bore
No Keyway
with Keyway
Hex Hole3
Breaking Torque
Solid
Bored
Solid
Bored
in
in
in
in
in
mm
in
mm
in
mm
in
in-lb
Nm
lbs
lbs
D-4SS
D-4SSB
2.68
1.34
.88
.38
.62
15
.44
11
.38
9
.75
512
58
.30
.25
D-6SS
D-6SSB
3.38
1.68
1.00
.50
.75
19
.56
13
.50
12
1.00
1,040
117
.62
.55
D-8SS
D-8SSB
3.75
1.88
1.06
.62
1.00
25
.75
18
.62
15
1.25
3,480
393
1.11
.94
D-10SS
D-10SSB
4.25
2.12
1.18
.75
1.12
28
.88
21
.75
19
1.50
5,280
597
1.80
1.50
D-12SS
D-12SSB
5.44
2.72
1.50
1.00
1.50
38
1.19
30
.88
22
2.00
10,400
1 175
4.20
3.50
Notes: ■ * indicates: This is not recommended operating torque.
■ 3 indicates: Square and hex bore measured across the flats.
■ Keyways, set screws, pin holes, or bores other than standard available at additional charge.
■ Maximum operating angle for transmission of power is 25°.
■ Applications that fall outside the limitations of these tables should be referred to Lovejoy Engineering for assistance.
Needle Bearing (NB) Type
■ Designed with high quality, pre-lubricated, and sealed needle bearings
■ Ideal for applications up to 25° of angular misalignment and speeds up to 6,000 RPM
■ Available in sizes: 6, 8, 10 and 12 (Other sizes are quantity dependent) with your choice of round, hex, splined, or keyway bores
■ Boot retaining grooves are standard. See page UJ-11 for selection of on-site replaceable universal joint boots
■ Lubrication is required for optimal wear - boots and lubricant extend universal joint life
Needle Bearing Type Dimensional Data
NB Type
OAL
E
C
ID1 - ID2
OD
Main Pin
Bore
Std
Max Bore
Max Bore
Max Square/
Static*
Weight
Size
Height
Depth
Bore
No Keyway
with Keyway
Hex Hole3
Breaking Torque
Solid
Solid Bored
in
in
in
in
in mm
in mm
in mm
in
in-lb Nm
lbs
NB-6 NB-6B
3.38
1.68
1.00
.50
.75 19
.56 13
.50 12
1.00
1,150 130
.53
NB-8 NB-8B
3.75
1.88
1.06
.62
1.00 25
.75 18
.62 15
1.25
2,500 282
.91
NB-10 NB-10B
4.25
2.12
1.18
.75
1.12 28
.88 21
.75 19
1.50
4,400 497
1.50
NB-12 NB-12B
5.44
2.72
1.50
1.00
1.50 38
1.19 30
.88 22
2.00
10,500 1 186
3.40
Notes: ■ * indicates: This is not recommended operating torque.
■ 3 indicates: Square and hex bore measured across the flats.
■ Maximum operating angle for transmission of power is 25°.
■ For greater angular operation, use double universal joint. Join two universal joints back to back and connect with a short shaft. Attach universal joints to shaft by drilling and pinning.
■ Swing Diameter is the maximum diameter over bearings, clearance must be allowed.
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