Product Description
RL 7-99001 (T5BOK-SLIM) Seal Kit for Rol-Lift Series T & E Manual Pallet Jack Hydraulic Unit. Includes seals and wipers for 1-5/8 inch lift ram, compatible with Rol-Lift models T and E, replaces RL7-99001 and 7-99001. Nitrile and polyurethane construction for mineral hydraulic oil applications.
Compatibility: Fits pallet jacks made by Rol-Lift, model 4500, 5000, 5500, 6500 lb (1-5/8 lift ram). Alternate model: 4500, 5000, 5500, 6500 lb (15/8 lift ram); 4500, 5000, 5500, 6500 lb (1 5/8 lift ram). SKU: RL 7-99001
Specifications
Material & Construction
| Seal Material Specification | Nitrile rubber (NBR) and Polyurethane (PU) |
| Operating Fluid Compatibility | Mineral hydraulic oil ISO VG 32/46 |
| Rod Wiper Hardness | Shore A 85 |
Part Numbers & Compatibility
| Manufacturer Part Number | RL 7-99001 |
| Alternate Part Numbers | RL7-99001, 7-99001, T5BOK-SLIM |
| Cross-Reference Part Numbers | RL 7-99001, RL7-99001, 7-99001, T5BOK-SLIM |
Performance
| Service Life | Designed for 120 cycles/hour continuous operation |
Frequently Asked Questions
Q: What manual pallet jack models fit the RL 7-99001 seal kit?
A: The RL 7-99001 is a direct replacement hydraulic seal kit for Rol-Lift Series T and E manual pallet jacks with 1-5/8 inch lift ram, compatible with 4500, 5000, 5500, and 6500 lb models. Always confirm your lift ram diameter before ordering.
Q: What seal materials does the RL 7-99001 contain?
A: The RL 7-99001 includes nitrile rubber (NBR) piston and rod seals combined with polyurethane (PU) wiper seals. This material combination is rated for mineral hydraulic oil ISO VG applications.
Q: What is the T5BOK-SLIM cross-reference number?
A: T5BOK-SLIM is an OEM cross-reference designation for the RL 7-99001 seal kit. Other cross-reference numbers include RL7-99001, 7-99001, and RL 7-99001. Use any reference number to verify fitment.
Q: What is the manufacturer part number for this kit?
A: The manufacturer part number is RL 7-99001. The OEM part number is also RL 7-99001. The equivalent cross-reference T5BOK-SLIM identifies the same seal kit assembly.
Q: How do nitrile and polyurethane seals compare in durability?
A: Nitrile provides strong resistance to mineral hydraulic oil and maintains seal integrity across typical warehouse temperature ranges. Polyurethane wipers are harder and resist extrusion. Combined, they extend kit lifespan compared to single-material designs.
Q: What signs indicate the RL 7-99001 seal kit needs replacement?
A: Replace when you observe reduced lift speed, load drift (jack will not hold load at rest), visible oil leakage around the cylinder rod, or noise during lift cycles. These symptoms indicate seal deterioration or material fatigue.