• Rexnord ZT125407Y78 Rex Spherical Roller Bearings ZT5000 Take-up Block. Contact Rexnord for more details.

Dimensions

Base to Center Height (in)	8.688 in
Overall Width (in)	6.25 in
Overall Height (in)	10.38 in
Bore Diameter (in)	4.4375 in
Housing Width (in)	4.25 in
Slot Width (in)	2.06 in
Slot Length (in)	8 in
Overall Length (in)	13.44 in
Slot Spacing (in)	9.5 in
Adjusting Screw Square Nut Seat Height (in)	3.38 in
Locking Collar Outside Diameter (in)	6.19 in
Adjusting Screw Clearance Hole Diameter (in)	2.13 in
Adjustment Slot Width (in)	2.13 in
Adjustment Pad Height (in)	6.38 in
Housing Outside Diameter to Cast Square Nut Slot Face (in)	9.81 in
Length Through Bore (in)	6.25 in
Inner Ring Outside Diameter (in)	5.032 in
Housing Cast Face to Outermost Bearing Face (in)	1.06 in

Technical Specifications

Seal Type	Clearance Seal
Radial Dynamic Load Capacity (lb)	149,500 lb
Housing Material	Cast Iron
Cage Material	Steel
Static Load Rating (lb)	159,300 lb
Housing Type	Take Up, Wide Slot
Series	Take-up Blocks
Housing Style	Take-Up Block
Housing Color	Black
Rolling Element	Spherical Roller
Fixed/Expansion	Fixed
Product	ZT5000
Misalignment Type	Dynamic
Housing Construction	Solid
Shaft Locking Type	Double Set Collar
Radial Clearance	C3 STANDARD
Setscrew Torque (in-lbs)	1350 in/lbs
Ability to Relubricate	Yes
Seal Kit	ZS12Y
Maximum Speed (RPM)	1850 rpm
Allowable Working Load [2/3 Yield Strength] (lb)	53,700 lb
Microlock Kit	ML4
Vibration Frequency Roller Spin	0.0568 cps
Grease Fitting Thread Size	1/4 NPT
Vibration Frequency Fundamental Train	0.0072 cps
Insert	5407YUR78
Vibration Frequency Inner Ring Defect	0.1901 cps
Size Code	12
Housing Coating	POWDER COATED
Locking Device Kit	SC12Y QTY 2
Max Operating Temperature (F)	225 °F
Primary Seal	STEEL CLEARANCE SEAL
Lubricant	EXXON RONEX MP STD
Max Operating Temperature (C)	107 °C
Vibration Frequency Outer Ring Defect	0.1433 cps
Misalignment Capability	±2.0° Misalignment - Dynamic

General Specifications

UPC	662864737548
Weight	91.00 LB
HTC	8483204080
Country of Origin	Mexico