Continuous Discharge Double Strand 4000 Series Elevator Chains
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JKR4000 series chain.
4000 9” pitch series roller chains duplicate the high performance specifications employed in the 4200 series chains. The chains are style A straight sidebar style with buckets fixed every second link on the outer. The pitch is reduced to 9” which allows for higher speeds and therefore increased capacities. The G5 and G6 attachments fix the buckets between the strands necessitating pre-calibration.
JKR4200 series chain.
4200 series roller chains are specifically designed for twin strand operation. These 12” pitch style C crank link chains utilise one pitch per bucket. The chain is produced to a materials and heat treatment specification which is specific to high duty and abrasive environments. Buckets are side mounted with fixed C2 attachments. This necessitates accuracy in matching of the strands as a final manufacturing requirement.
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Continuous Discharge Double Strand 4000 Series Elevator Chains |
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Chain Number |
Unit |
Pitch |
Rollers |
Bushings |
Pins |
Over-All Pin & Cotter |
Between Sidebars |
Sidebars |
Rated |
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|
Outside Diameter |
Heat Treat |
Outside Diameter |
C |
Heat Treat |
Diameter |
Heat Treat |
Thickness |
Height |
V |
Heat Treat |
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|
D2 |
D5 |
D6 |
F1 |
L |
S |
H |
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|
JKR4251-G117 |
in |
12.00 |
1.75 |
CH |
1.25 |
2.94 |
CH |
0.88 |
CH |
4.63 |
1.94 |
0.50 |
2.00 |
– |
TH |
9,000 lb |
|
mm |
305.00 |
44.50 |
CH |
31.80 |
74.70 |
CH |
22.40 |
CH |
118.00 |
49.20 |
12.70 |
50.80 |
– |
TH |
4,000 kg |
|
|
JKR4004-G5 |
in |
9.00 |
3.00 |
CH |
1.50 |
3.63 |
CH |
1.00 |
CIH |
5.69 |
2.63 |
0.50 |
2.50 |
– |
TH |
12,700 lb |
|
mm |
229.00 |
78.20 |
CH |
38.10 |
92.20 |
CH |
25.40 |
CIH |
145.00 |
66.80 |
12.70 |
63.50 |
– |
TH |
5,700 kg |
|
|
JKR4065-G5 |
in |
9.00 |
4.25 |
CH |
2.00 |
4.31 |
CH |
1.25 |
CIH |
6.16 |
3.06 |
0.63 |
3.50 |
– |
TH |
18,900 lb |
|
mm |
229.00 |
108.00 |
CH |
50.80 |
109.00 |
CH |
31.80 |
CIH |
156.00 |
77.70 |
16.00 |
88.90 |
– |
TH |
8,500 kg |
|
|
JKR4037-G6 |
in |
9.00 |
4.50 |
CH |
2.12 |
3.25 |
CH |
1.50 |
CIH |
6.79 |
3.25 |
0.62 |
4.00 |
8.00 |
TH |
29,500 lb |
|
mm |
229.00 |
114.30 |
CH |
53.85 |
82.55 |
CH |
38.10 |
CIH |
172.50 |
82.55 |
17.75 |
101.60 |
203.20 |
TH |
13,300 kg |
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TH: Thru-hardened, CIH: Circumferential Induction Hardened after thru-hardening, CH: Carburized.
